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Discontinuing Contact Precautions for VRE is associated with rising VRE bloodstream infection rates in Ontario hospitals, 2009 - 2018, a quasi-experimental study.

Johnstone J, Shing E, Saedi A, Adomako K, Li Y, Brown KA, Garber G.

Clin Infect Dis. 2020 Jan 10. pii: ciaa009. doi: 10.1093/cid/ciaa009. [Epub ahead of print]


Economic evaluation of vancomycin-resistant enterococci (VRE) control practices: a systematic review.

MacDougall C, Johnstone J, Prematunge C, Adomako K, Nadolny E, Truong E, Saedi A, Garber G, Sander B.

J Hosp Infect. 2019 Dec 17. pii: S0195-6701(19)30528-6. doi: 10.1016/j.jhin.2019.12.007. [Epub ahead of print] Review.


Rationale and design of an international randomized placebo-controlled trial of a 36-ingredient micronutrient supplement for children with ADHD and irritable mood: The Micronutrients for ADHD in Youth (MADDY) study.

Johnstone JM, Leung B, Gracious B, Perez L, Tost G, Savoy A, Hatsu I, Hughes A, Bruton A, Arnold LE.

Contemp Clin Trials Commun. 2019 Oct 26;16:100478. doi: 10.1016/j.conctc.2019.100478. eCollection 2019 Dec.


Interfacility patient sharing and Clostridioides difficile infection incidence in the Ontario hospital system: A 13-year cohort study.

Brown KA, McGeer A, Schwartz KL, Diong C, Etches J, Garber G, Johnstone J, Langford B, Daneman N.

Infect Control Hosp Epidemiol. 2019 Nov 25:1-7. doi: 10.1017/ice.2019.283. [Epub ahead of print]


Probiotics in hospitalized adult patients: a systematic review of economic evaluations.

Lau VI, Rochwerg B, Xie F, Johnstone J, Basmaji J, Balakumaran J, Iansavichene A, Cook DJ.

Can J Anaesth. 2020 Feb;67(2):247-261. doi: 10.1007/s12630-019-01525-2. Epub 2019 Nov 12. Review.


Vancomycin-resistant enterococci (VRE) screening and isolation in the general medicine ward: a cost-effectiveness analysis.

Mac S, Fitzpatrick T, Johnstone J, Sander B.

Antimicrob Resist Infect Control. 2019 Oct 29;8:168. doi: 10.1186/s13756-019-0628-x. eCollection 2019.


Climate change decreases the cooling effect from postfire albedo in boreal North America.

Potter S, Solvik K, Erb A, Goetz SJ, Johnstone JF, Mack MC, Randerson JT, Román MO, Schaaf CL, Turetsky MR, Veraverbeke S, Walker XJ, Wang Z, Massey R, Rogers BM.

Glob Chang Biol. 2019 Oct 28. doi: 10.1111/gcb.14888. [Epub ahead of print]


Exploring indirect protection associated with influenza immunization - A systematic review of the literature.

Friedman L, Renaud A, Hines D, Winter A, Bolotin S, Johnstone J, Kwong JC, McGeer AJ, Crowcroft NS, Warshawsky BF.

Vaccine. 2019 Nov 20;37(49):7213-7232. doi: 10.1016/j.vaccine.2019.09.086. Epub 2019 Oct 22. Review.


Validating a popular outpatient antibiotic database to reliably identify high prescribing physicians for patients 65 years of age and older.

Schwartz KL, Chen C, Langford BJ, Brown KA, Daneman N, Johnstone J, Wu JH, Leung V, Garber G.

PLoS One. 2019 Sep 26;14(9):e0223097. doi: 10.1371/journal.pone.0223097. eCollection 2019.


Investigating the relationship between vancomycin-resistant Enterococcus control practices and the incidence of health care-associated Clostridioides difficile infections in Ontario.

Ling R, Achonu C, Li Y, Katz KC, Garber G, Johnstone J.

Am J Infect Control. 2019 Sep 21. pii: S0196-6553(19)30784-9. doi: 10.1016/j.ajic.2019.08.021. [Epub ahead of print]


Increasing wildfires threaten historic carbon sink of boreal forest soils.

Walker XJ, Baltzer JL, Cumming SG, Day NJ, Ebert C, Goetz S, Johnstone JF, Potter S, Rogers BM, Schuur EAG, Turetsky MR, Mack MC.

Nature. 2019 Aug;572(7770):520-523. doi: 10.1038/s41586-019-1474-y. Epub 2019 Aug 21.


Elevated temperature attenuates ovarian functions and induces apoptosis and oxidative stress in the American oyster, Crassostrea virginica: potential mechanisms and signaling pathways.

Nash S, Johnstone J, Rahman MS.

Cell Stress Chaperones. 2019 Sep;24(5):957-967. doi: 10.1007/s12192-019-01023-w. Epub 2019 Jul 30.


Leisure-Time Sedentary Behavior, Alcohol Consumption, and Sexual Intercourse Among Adolescents Aged 12-15 Years in 19 Countries From Africa, the Americas, and Asia.

Smith L, Jackson SE, Jacob L, Grabovac I, Yang L, Johnstone J, McDermott D, Gordon D, Lopez Sanchez GF, Stefanac S, Koyanagi A.

J Sex Med. 2019 Sep;16(9):1355-1363. doi: 10.1016/j.jsxm.2019.06.013. Epub 2019 Jul 24.


Streptococcus pneumoniae serotype 3 is masking PCV13-mediated herd immunity in Canadian adults hospitalized with community acquired pneumonia: A study from the Serious Outcomes Surveillance (SOS) Network of the Canadian immunization research Network (CIRN).

LeBlanc JJ, ElSherif M, Ye L, MacKinnon-Cameron D, Ambrose A, Hatchette TF, Lang ALS, Gillis HD, Martin I, Demczuk W, Andrew MK, Boivin G, Bowie W, Green K, Johnstone J, Loeb M, McCarthy AE, McGeer A, Semret M, Trottier S, Valiquette L, Webster D, McNeil SA.

Vaccine. 2019 Aug 23;37(36):5466-5473. doi: 10.1016/j.vaccine.2019.05.003. Epub 2019 Jul 23.


Cost-Effectiveness of Percutaneous Lymphatic Embolization for Management of Plastic Bronchitis.

Benjamin JL, Rychik J, Johnstone JA, Nadolski GJ, Itkin M.

World J Pediatr Congenit Heart Surg. 2019 Jul;10(4):407-413. doi: 10.1177/2150135119842866.


Correction: Roberts et al. "Satiating Effect of High Protein Diets on Resistance-Trained Individuals in Energy Deficit" Nutrients 2019, 11(1), 56.

Roberts J, Zinchenko A, Mahbubani K, Johnstone J, Smith L, Merzbach V, Blacutt M, Banderas O, Villasenor L, Vårvik FT, Henselmans M.

Nutrients. 2019 Jul 8;11(7). pii: E1543. doi: 10.3390/nu11071543.


Validation of the Seegene RV15 multiplex PCR for the detection of influenza A subtypes and influenza B lineages during national influenza surveillance in hospitalized adults.

LeBlanc JJ, ElSherif M, Mulpuru S, Warhuus M, Ambrose A, Andrew M, Boivin G, Bowie W, Chit A, Dos Santos G, Green K, Halperin SA, Hatchette TF, Ibarguchi B, Johnstone J, Katz K, Langley JM, Lagacé-Wiens P, Loeb M, Lund A, MacKinnon-Cameron D, McCarthy A, McElhaney JE, McGeer A, Poirier A, Powis J, Richardson D, Semret M, Shinde V, Smyth D, Trottier S, Valiquette L, Webster D, Ye L, McNeil SA.

J Med Microbiol. 2019 Jul 2. doi: 10.1099/jmm.0.001032. [Epub ahead of print]


Biopsychosocial Factors in Children Referred With Failure to Thrive: Modern Characterization for Multidisciplinary Care.

Mazze N, Cory E, Gardner J, Alexanian-Farr M, Mutch C, Marcus S, Johnstone J, van den Heuvel M.

Glob Pediatr Health. 2019 Jun 19;6:2333794X19858526. doi: 10.1177/2333794X19858526. eCollection 2019.


Infection prevention and control practices related to carbapenemase-producing Enterobacteriaceae (CPE) in acute-care hospitals in Ontario, Canada.

Jamal AJ, Garcia-Jeldes F, Baqi M, Borgia S, Johnstone J, Katz K, Kohler P, Muller MP, McGeer AJ; CPE Investigators of the Toronto Invasive Bacterial Diseases Network.

Infect Control Hosp Epidemiol. 2019 Sep;40(9):1006-1012. doi: 10.1017/ice.2019.173. Epub 2019 Jun 27.


Evaluating probiotics for the prevention of ventilator-associated pneumonia: a randomised placebo-controlled multicentre trial protocol and statistical analysis plan for PROSPECT.

Johnstone J, Heels-Ansdell D, Thabane L, Meade M, Marshall J, Lauzier F, Duan EH, Zytaruk N, Lamarche D, Surette M, Cook DJ; PROSPECT Investigators and the Canadian Critical Care Trials Group.

BMJ Open. 2019 Jun 20;9(6):e025228. doi: 10.1136/bmjopen-2018-025228.


Comparison of Perioperative Outcomes of Patients with Iliac Aneurysms Treated by Open Surgery or Endovascular Repair with Iliac Branch Endoprosthesis.

Mendes BC, Oderich GS, Sandri GA, Johnstone JK, Shuja F, Kalra M, Bower TC, DeMartino RR.

Ann Vasc Surg. 2019 Oct;60:76-84.e1. doi: 10.1016/j.avsg.2019.05.003. Epub 2019 Jun 18.


Health behaviours and mental and physical health status in older adults with a history of homelessness: a cross-sectional population-based study in England.

Smith L, Veronese N, López-Sánchez GF, Moller E, Johnstone J, Firth J, Grabovac I, Yang L, Soysal P, Jackson SE.

BMJ Open. 2019 Jun 14;9(6):e028003. doi: 10.1136/bmjopen-2018-028003.


Perioperative Outcomes After Use of Iliac Branch Devices Compared With Hypogastric Occlusion or Open Surgery for Elective Treatment of Aortoiliac Aneurysms in the NSQIP Database.

D'Oria M, Mendes BC, Bews K, Hanson K, Johnstone J, Shuja F, Kalra M, Bower T, Oderich GS, DeMartino RR.

Ann Vasc Surg. 2020 Jan;62:35-44. doi: 10.1016/j.avsg.2019.04.009. Epub 2019 Jun 13.


Effects of elevated temperature on gonadal functions, cellular apoptosis, and oxidative stress in Atlantic sea urchin Arbacia punculata.

Johnstone J, Nash S, Hernandez E, Rahman MS.

Mar Environ Res. 2019 Aug;149:40-49. doi: 10.1016/j.marenvres.2019.05.017. Epub 2019 May 23.


Asymmetric diosmium sawhorse complexes.

Wilson KM, Swartout JW, Touchton HA, Lambert EN, Johnstone JE, Archambeau AK, Marolf DM, Mikeska ER, Lynch VM, Nesterov VN, Reinheimer EW, Powell GL, Powell CB.

Acta Crystallogr C Struct Chem. 2019 May 1;75(Pt 5):529-537. doi: 10.1107/S2053229619004236. Epub 2019 Apr 9.


Influenza outbreaks in Ontario hospitals, 2012-2016.

Murti M, Whelan M, Friedman L, Savic J, Johnstone J, Sider D, Warshawsky B.

Can Commun Dis Rep. 2018 Sep 6;44(9):201-205. doi: 10.14745/ccdr.v44i09a03. eCollection 2018 Sep 6.


Traditional plant functional groups explain variation in economic but not size-related traits across the tundra biome.

Thomas HJD, Myers-Smith IH, Bjorkman AD, Elmendorf SC, Blok D, Cornelissen JHC, Forbes BC, Hollister RD, Normand S, Prevéy JS, Rixen C, Schaepman-Strub G, Wilmking M, Wipf S, Cornwell WK, Kattge J, Goetz SJ, Guay KC, Alatalo JM, Anadon-Rosell A, Angers-Blondin S, Berner LT, Björk RG, Buchwal A, Buras A, Carbognani M, Christie K, Siegwart Collier L, Cooper EJ, Eskelinen A, Frei ER, Grau O, Grogan P, Hallinger M, Heijmans MMPD, Hermanutz L, Hudson JMG, Hülber K, Iturrate-Garcia M, Iversen CM, Jaroszynska F, Johnstone JF, Kaarlejärvi E, Kulonen A, Lamarque LJ, Lévesque E, Little CJ, Michelsen A, Milbau A, Nabe-Nielsen J, Nielsen SS, Ninot JM, Oberbauer SF, Olofsson J, Onipchenko VG, Petraglia A, Rumpf SB, Semenchuk PR, Soudzilovskaia NA, Spasojevic MJ, Speed JDM, Tape KD, Te Beest M, Tomaselli M, Trant A, Treier UA, Venn S, Vowles T, Weijers S, Zamin T, Atkin OK, Bahn M, Blonder B, Campetella G, Cerabolini BEL, Chapin Iii FS, Dainese M, de Vries FT, Díaz S, Green W, Jackson RB, Manning P, Niinemets Ü, Ozinga WA, Peñuelas J, Reich PB, Schamp B, Sheremetev S, van Bodegom PM.

Glob Ecol Biogeogr. 2019 Jan;28(2):78-95. doi: 10.1111/geb.12783. Epub 2018 Nov 16.


Identity as a Reproducible Method.

Johnstone J.

CMAJ. 2018 Dec 3;190(48):E1422. doi: 10.1503/cmaj.180703. No abstract available.


The Human Exhibit.

Johnstone J.

CMAJ. 2018 Dec 10;190(49):E1456. doi: 10.1503/cmaj.180704. No abstract available.


Predictors and variability of antibiotic prescribing amongst family physicians.

Schwartz KL, Brown KA, Etches J, Langford BJ, Daneman N, Tu K, Johnstone J, Achonu C, Garber G.

J Antimicrob Chemother. 2019 Jul 1;74(7):2098-2105. doi: 10.1093/jac/dkz112.


Wildfire severity reduces richness and alters composition of soil fungal communities in boreal forests of western Canada.

Day NJ, Dunfield KE, Johnstone JF, Mack MC, Turetsky MR, Walker XJ, White AL, Baltzer JL.

Glob Chang Biol. 2019 Jul;25(7):2310-2324. doi: 10.1111/gcb.14641. Epub 2019 Apr 29.


Treatment of rituximab-associated chronic CNS enterovirus using IVIg and fluoxetine.

Sham L, Bitnun A, Branson H, Hazrati LN, Dell SD, Yeung RSM, Johnstone J, Yeh EA.

Neurology. 2019 May 7;92(19):916-918. doi: 10.1212/WNL.0000000000007468. Epub 2019 Apr 3. No abstract available.


MRI Evaluation of Lymphatic Abnormalities in the Neck and Thorax after Fontan Surgery: Relationship with Outcome.

Biko DM, DeWitt AG, Pinto EM, Morrison RE, Johnstone JA, Griffis H, O'Byrne ML, Fogel MA, Harris MA, Partington SL, Whitehead KK, Saul D, Goldberg DJ, Rychik J, Glatz AC, Gillespie MJ, Rome JJ, Dori Y.

Radiology. 2019 Jun;291(3):774-780. doi: 10.1148/radiol.2019180877. Epub 2019 Apr 2.


Promoting physical activity in vulnerable adults 'at risk' of homelessness: a randomised controlled trial protocol.

Stringer C, Loosemore M, Moller E, Jackson SE, López-Sánchez GF, Firth J, Johnstone J, Stubbs B, Vancampfort D, Smith L.

BMJ Open. 2019 Mar 23;9(3):e026466. doi: 10.1136/bmjopen-2018-026466.


Comparing prescribing and dispensing databases to study antibiotic use: a validation study of the Electronic Medical Record Administrative data Linked Database (EMRALD).

Schwartz KL, Wilton AS, Langford BJ, Brown KA, Daneman N, Garber G, Johnstone J, Adomako K, Achonu C, Tu K.

J Antimicrob Chemother. 2019 Jul 1;74(7):2091-2097. doi: 10.1093/jac/dkz033.


Telomere length and health outcomes: An umbrella review of systematic reviews and meta-analyses of observational studies.

Smith L, Luchini C, Demurtas J, Soysal P, Stubbs B, Hamer M, Nottegar A, Lawlor RT, Lopez-Sanchez GF, Firth J, Koyanagi A, Roberts J, Willeit P, Waldhoer T, Loosemore M, Abbs AD, Johnstone J, Yang L, Veronese N.

Ageing Res Rev. 2019 May;51:1-10. doi: 10.1016/j.arr.2019.02.003. Epub 2019 Feb 15. Review.


Effect of a short-term low fermentable oligiosaccharide, disaccharide, monosaccharide and polyol (FODMAP) diet on exercise-related gastrointestinal symptoms.

Wiffin M, Smith L, Antonio J, Johnstone J, Beasley L, Roberts J.

J Int Soc Sports Nutr. 2019 Jan 15;16(1):1. doi: 10.1186/s12970-019-0268-9.


Effectiveness of Influenza Vaccination on Hospitalizations and Risk Factors for Severe Outcomes in Hospitalized Patients With COPD.

Mulpuru S, Li L, Ye L, Hatchette T, Andrew MK, Ambrose A, Boivin G, Bowie W, Chit A, Dos Santos G, ElSherif M, Green K, Haguinet F, Halperin SA, Ibarguchi B, Johnstone J, Katz K, Langley JM, LeBlanc J, Loeb M, MacKinnon-Cameron D, McCarthy A, McElhaney JE, McGeer A, Powis J, Richardson D, Semret M, Shinde V, Smyth D, Trottier S, Valiquette L, Webster D, McNeil SA; Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN).

Chest. 2019 Jan;155(1):69-78. doi: 10.1016/j.chest.2018.10.044.


Satiating Effect of High Protein Diets on Resistance-Trained Subjects in Energy Deficit.

Roberts J, Zinchenko A, Mahbubani K, Johnstone J, Smith L, Merzbach V, Blacutt M, Banderas O, Villasenor L, Vårvik FT, Henselmans M.

Nutrients. 2018 Dec 28;11(1). pii: E56. doi: 10.3390/nu11010056. Erratum in: Nutrients. 2019 Jul 08;11(7):.


Performance of current claims-based approaches to identify aortic dissection hospitalizations.

Finnesgard EJ, Weiss S, Kalra M, Johnstone JK, Oderich GS, Shuja F, Habermann EB, Bower TC, DeMartino RR.

J Vasc Surg. 2019 Jul;70(1):53-59. doi: 10.1016/j.jvs.2018.09.047. Epub 2018 Dec 24.


Outcomes of an iliac branch endoprosthesis using an "up-and-over" technique for endovascular repair of failed bifurcated grafts.

Tenorio ER, Oderich GS, Sandri GA, Kärkkäinen JM, Kalra M, DeMartino RR, Johnstone JK, Shuja F.

J Vasc Surg. 2019 Aug;70(2):497-508.e1. doi: 10.1016/j.jvs.2018.10.098. Epub 2018 Dec 21.


Examining forest resilience to changing fire frequency in a fire-prone region of boreal forest.

Hart SJ, Henkelman J, McLoughlin PD, Nielsen SE, Truchon-Savard A, Johnstone JF.

Glob Chang Biol. 2019 Mar;25(3):869-884. doi: 10.1111/gcb.14550. Epub 2019 Jan 24.


The effect of two β-alanine dosing strategies on 30-minute rowing performance: a randomized, controlled trial.

Beasley L, Smith L, Antonio J, Gordon D, Johnstone J, Roberts J.

J Int Soc Sports Nutr. 2018 Dec 18;15(1):59. doi: 10.1186/s12970-018-0266-3.


Microbial dysbiosis and mortality during mechanical ventilation: a prospective observational study.

Lamarche D, Johnstone J, Zytaruk N, Clarke F, Hand L, Loukov D, Szamosi JC, Rossi L, Schenck LP, Verschoor CP, McDonald E, Meade MO, Marshall JC, Bowdish DME, Karachi T, Heels-Ansdell D, Cook DJ, Surette MG; PROSPECT Investigators; Canadian Critical Care Trials Group; Canadian Critical Care Translational Biology Group.

Respir Res. 2018 Dec 7;19(1):245. doi: 10.1186/s12931-018-0950-5.


Silence to voice.

Johnstone J.

Br J Community Nurs. 2018 Nov 2;23(11):529. doi: 10.12968/bjcn.2018.23.11.529. No abstract available.


Regional variability in outpatient antibiotic use in Ontario, Canada: a retrospective cross-sectional study.

Schwartz KL, Achonu C, Brown KA, Langford B, Daneman N, Johnstone J, Garber G.

CMAJ Open. 2018 Oct 31;6(4):E445-E452. doi: 10.9778/cmajo.20180017. Print 2018 Oct-Dec.


Population-Based Assessment of the Incidence of Aortic Dissection, Intramural Hematoma, and Penetrating Ulcer, and Its Associated Mortality From 1995 to 2015.

DeMartino RR, Sen I, Huang Y, Bower TC, Oderich GS, Pochettino A, Greason K, Kalra M, Johnstone J, Shuja F, Harmsen WS, Macedo T, Mandrekar J, Chamberlain AM, Weiss S, Goodney PP, Roger V.

Circ Cardiovasc Qual Outcomes. 2018 Aug;11(8):e004689. doi: 10.1161/CIRCOUTCOMES.118.004689.


Plant functional trait change across a warming tundra biome.

Bjorkman AD, Myers-Smith IH, Elmendorf SC, Normand S, Rüger N, Beck PSA, Blach-Overgaard A, Blok D, Cornelissen JHC, Forbes BC, Georges D, Goetz SJ, Guay KC, Henry GHR, HilleRisLambers J, Hollister RD, Karger DN, Kattge J, Manning P, Prevéy JS, Rixen C, Schaepman-Strub G, Thomas HJD, Vellend M, Wilmking M, Wipf S, Carbognani M, Hermanutz L, Lévesque E, Molau U, Petraglia A, Soudzilovskaia NA, Spasojevic MJ, Tomaselli M, Vowles T, Alatalo JM, Alexander HD, Anadon-Rosell A, Angers-Blondin S, Beest MT, Berner L, Björk RG, Buchwal A, Buras A, Christie K, Cooper EJ, Dullinger S, Elberling B, Eskelinen A, Frei ER, Grau O, Grogan P, Hallinger M, Harper KA, Heijmans MMPD, Hudson J, Hülber K, Iturrate-Garcia M, Iversen CM, Jaroszynska F, Johnstone JF, Jørgensen RH, Kaarlejärvi E, Klady R, Kuleza S, Kulonen A, Lamarque LJ, Lantz T, Little CJ, Speed JDM, Michelsen A, Milbau A, Nabe-Nielsen J, Nielsen SS, Ninot JM, Oberbauer SF, Olofsson J, Onipchenko VG, Rumpf SB, Semenchuk P, Shetti R, Collier LS, Street LE, Suding KN, Tape KD, Trant A, Treier UA, Tremblay JP, Tremblay M, Venn S, Weijers S, Zamin T, Boulanger-Lapointe N, Gould WA, Hik DS, Hofgaard A, Jónsdóttir IS, Jorgenson J, Klein J, Magnusson B, Tweedie C, Wookey PA, Bahn M, Blonder B, van Bodegom PM, Bond-Lamberty B, Campetella G, Cerabolini BEL, Chapin FS 3rd, Cornwell WK, Craine J, Dainese M, de Vries FT, Díaz S, Enquist BJ, Green W, Milla R, Niinemets Ü, Onoda Y, Ordoñez JC, Ozinga WA, Penuelas J, Poorter H, Poschlod P, Reich PB, Sandel B, Schamp B, Sheremetev S, Weiher E.

Nature. 2018 Oct;562(7725):57-62. doi: 10.1038/s41586-018-0563-7. Epub 2018 Sep 26.


Lid wiper epitheliopathy: The influence of multiple lid eversions and exposure time.

Shaw A, Collins M, Huang J, Nguyen HMP, Kim Z, Lee G, Johnstone J, Casey A.

Cont Lens Anterior Eye. 2019 Jun;42(3):304-310. doi: 10.1016/j.clae.2018.09.003. Epub 2018 Sep 22.


Comparison of qPCR versus culture for the detection and quantification of Clostridium difficile environmental contamination.

MacDougall LK, Broukhanski G, Simor A, Johnstone J, Mubareka S, McGeer A, Daneman N, Garber G, Brown KA.

PLoS One. 2018 Aug 30;13(8):e0201569. doi: 10.1371/journal.pone.0201569. eCollection 2018.

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