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Items: 1 to 50 of 98

1.

Pilot phase of an internet-based RCT of HIVST targeting MSM and transgender people in England and Wales: advertising strategies and acceptability of the intervention.

Witzel TC, Gabriel MM, McCabe L, Weatherburn P, Gafos M, Speakman A, Pebody R, Burns FM, Bonell C, Lampe FC, Dunn DT, Ward D, Harbottle J, Phillips AN, McCormack S, Rodger AJ.

BMC Infect Dis. 2019 Aug 8;19(1):699. doi: 10.1186/s12879-019-4247-1.

2.

Corpus callosum axon diameter relates to cognitive impairment in multiple sclerosis.

Huang SY, Fan Q, Machado N, Eloyan A, Bireley JD, Russo AW, Tobyne SM, Patel KR, Brewer K, Rapaport SF, Nummenmaa A, Witzel T, Sherman JC, Wald LL, Klawiter EC.

Ann Clin Transl Neurol. 2019 Mar 30;6(5):882-892. doi: 10.1002/acn3.760. eCollection 2019 May.

3.

Accelerated whole-brain perfusion imaging using a simultaneous multislice spin-echo and gradient-echo sequence with joint virtual coil reconstruction.

Manhard MK, Bilgic B, Liao C, Han S, Witzel T, Yen YF, Setsompop K.

Magn Reson Med. 2019 Sep;82(3):973-983. doi: 10.1002/mrm.27784. Epub 2019 May 8.

PMID:
31069861
4.

Phase-matched virtual coil reconstruction for highly accelerated diffusion echo-planar imaging.

Liao C, Manhard MK, Bilgic B, Tian Q, Fan Q, Han S, Wang F, Park DJ, Witzel T, Zhong J, Wang H, Wald LL, Setsompop K.

Neuroimage. 2019 Jul 1;194:291-302. doi: 10.1016/j.neuroimage.2019.04.002. Epub 2019 Apr 3.

PMID:
30953837
5.

What are the motivations and barriers to pre-exposure prophylaxis (PrEP) use among black men who have sex with men aged 18-45 in London? Results from a qualitative study.

Witzel TC, Nutland W, Bourne A.

Sex Transm Infect. 2019 Jun;95(4):262-266. doi: 10.1136/sextrans-2018-053773. Epub 2019 Mar 4.

6.

Age-related alterations in axonal microstructure in the corpus callosum measured by high-gradient diffusion MRI.

Fan Q, Tian Q, Ohringer NA, Nummenmaa A, Witzel T, Tobyne SM, Klawiter EC, Mekkaoui C, Rosen BR, Wald LL, Salat DH, Huang SY.

Neuroimage. 2019 May 1;191:325-336. doi: 10.1016/j.neuroimage.2019.02.036. Epub 2019 Feb 18.

PMID:
30790671
7.

Protocol, rationale and design of SELPHI: a randomised controlled trial assessing whether offering free HIV self-testing kits via the internet increases the rate of HIV diagnosis.

Gabriel MM, Dunn DT, Speakman A, McCabe L, Ward D, Witzel TC, Harbottle J, Collins S, Gafos M, Burns FM, Lampe FC, Weatherburn P, Phillips A, McCormack S, Rodger AJ.

BMC Infect Dis. 2018 Oct 23;18(1):531. doi: 10.1186/s12879-018-3433-x.

8.

A qualitative assessment of the acceptability of hepatitis C remote self-testing and self-sampling amongst people who use drugs in London, UK.

Guise A, Witzel TC, Mandal S, Sabin C, Rhodes T, Nardone A, Harris M.

BMC Infect Dis. 2018 Jun 19;18(1):281. doi: 10.1186/s12879-018-3185-7.

9.

A comprehensive diffusion MRI dataset acquired on the MGH Connectome scanner in a biomimetic brain phantom.

Fan Q, Nummenmaa A, Wichtmann B, Witzel T, Mekkaoui C, Schneider W, Wald LL, Huang SY.

Data Brief. 2018 Mar 12;18:334-339. doi: 10.1016/j.dib.2018.03.021. eCollection 2018 Jun.

10.

Motion-robust sub-millimeter isotropic diffusion imaging through motion corrected generalized slice dithered enhanced resolution (MC-gSlider) acquisition.

Wang F, Bilgic B, Dong Z, Manhard MK, Ohringer N, Zhao B, Haskell M, Cauley SF, Fan Q, Witzel T, Adalsteinsson E, Wald LL, Setsompop K.

Magn Reson Med. 2018 Nov;80(5):1891-1906. doi: 10.1002/mrm.27196. Epub 2018 Apr 1.

PMID:
29607548
11.

What qualities in a potential HIV pre-exposure prophylaxis service are valued by black men who have sex with men in London? A qualitative acceptability study.

Witzel TC, Nutland W, Bourne A.

Int J STD AIDS. 2018 Jul;29(8):760-765. doi: 10.1177/0956462418755224. Epub 2018 Feb 21.

12.

Validation of diffusion MRI estimates of compartment size and volume fraction in a biomimetic brain phantom using a human MRI scanner with 300 mT/m maximum gradient strength.

Fan Q, Nummenmaa A, Wichtmann B, Witzel T, Mekkaoui C, Schneider W, Wald LL, Huang SY.

Neuroimage. 2018 Nov 15;182:469-478. doi: 10.1016/j.neuroimage.2018.01.004. Epub 2018 Jan 12.

PMID:
29337276
13.

Diagnostic Performance of a 10-Minute Gadolinium-Enhanced Brain MRI Protocol Compared with the Standard Clinical Protocol for Detection of Intracranial Enhancing Lesions.

Fagundes J, Longo MG, Huang SY, Rosen BR, Witzel T, Heberlein K, Gonzalez RG, Schaefer P, Rapalino O.

AJNR Am J Neuroradiol. 2017 Sep;38(9):1689-1694. doi: 10.3174/ajnr.A5293. Epub 2017 Jul 13.

14.

Liquid crystal phantom for validation of microscopic diffusion anisotropy measurements on clinical MRI systems.

Nilsson M, Larsson J, Lundberg D, Szczepankiewicz F, Witzel T, Westin CF, Bryskhe K, Topgaard D.

Magn Reson Med. 2018 Mar;79(3):1817-1828. doi: 10.1002/mrm.26814. Epub 2017 Jul 7.

15.

Diffusion MRI microstructure models with in vivo human brain Connectome data: results from a multi-group comparison.

Ferizi U, Scherrer B, Schneider T, Alipoor M, Eufracio O, Fick RHJ, Deriche R, Nilsson M, Loya-Olivas AK, Rivera M, Poot DHJ, Ramirez-Manzanares A, Marroquin JL, Rokem A, Pötter C, Dougherty RF, Sakaie K, Wheeler-Kingshott C, Warfield SK, Witzel T, Wald LL, Raya JG, Alexander DC.

NMR Biomed. 2017 Sep;30(9). doi: 10.1002/nbm.3734. Epub 2017 Jun 23.

16.

Simultaneous Multislice-Based 5-Minute Lumbar Spine MRI Protocol: Initial Experience in a Clinical Setting.

Longo MG, Fagundes J, Huang S, Mehan W, Witzel T, Bhat H, Heberlein K, Rosen BR, Rosenthal D, Gonzalez RG, Schaefer PW, Rapalino O.

J Neuroimaging. 2017 Sep;27(5):442-446. doi: 10.1111/jon.12453. Epub 2017 Jun 2.

PMID:
28574665
17.

Risk, reassurance and routine: a qualitative study of narrative understandings of the potential for HIV self-testing among men who have sex with men in England.

Witzel TC, Weatherburn P, Rodger AJ, Bourne AH, Burns FM.

BMC Public Health. 2017 May 22;17(1):491. doi: 10.1186/s12889-017-4370-0.

18.

Consolidating emerging evidence surrounding HIVST and HIVSS: a rapid systematic mapping protocol.

Witzel TC, Weatherburn P, Burns FM, Johnson CC, Figueroa C, Rodger AJ.

Syst Rev. 2017 Apr 5;6(1):72. doi: 10.1186/s13643-017-0452-4.

19.

High-resolution in vivo diffusion imaging of the human brain with generalized slice dithered enhanced resolution: Simultaneous multislice (gSlider-SMS).

Setsompop K, Fan Q, Stockmann J, Bilgic B, Huang S, Cauley SF, Nummenmaa A, Wang F, Rathi Y, Witzel T, Wald LL.

Magn Reson Med. 2018 Jan;79(1):141-151. doi: 10.1002/mrm.26653. Epub 2017 Mar 5.

20.

Uptake contexts and perceived impacts of HIV testing and counselling among adults in East and Southern Africa: A meta-ethnographic review.

Witzel TC, Lora W, Lees S, Desmond N.

PLoS One. 2017 Feb 16;12(2):e0170588. doi: 10.1371/journal.pone.0170588. eCollection 2017. Review.

21.

HIgh b-value and high Resolution Integrated Diffusion (HIBRID) imaging.

Fan Q, Nummenmaa A, Polimeni JR, Witzel T, Huang SY, Wedeen VJ, Rosen BR, Wald LL.

Neuroimage. 2017 Apr 15;150:162-176. doi: 10.1016/j.neuroimage.2017.02.002. Epub 2017 Feb 7.

22.

Colorectal cancer staging: comparison of whole-body PET/CT and PET/MR.

Catalano OA, Coutinho AM, Sahani DV, Vangel MG, Gee MS, Hahn PF, Witzel T, Soricelli A, Salvatore M, Catana C, Mahmood U, Rosen BR, Gervais D.

Abdom Radiol (NY). 2017 Apr;42(4):1141-1151. doi: 10.1007/s00261-016-0985-3.

PMID:
27891551
23.

New initiatives to develop self-testing for HIV.

Witzel TC, Rodger AJ.

Curr Opin Infect Dis. 2017 Feb;30(1):50-57. doi: 10.1097/QCO.0000000000000336. Review.

PMID:
27849635
24.

g-Ratio weighted imaging of the human spinal cord in vivo.

Duval T, Le Vy S, Stikov N, Campbell J, Mezer A, Witzel T, Keil B, Smith V, Wald LL, Klawiter E, Cohen-Adad J.

Neuroimage. 2017 Jan 15;145(Pt A):11-23. doi: 10.1016/j.neuroimage.2016.09.018. Epub 2016 Sep 22.

25.

HIV testing history and preferences for future tests among gay men, bisexual men and other MSM in England: results from a cross-sectional study.

Witzel TC, Melendez-Torres GJ, Hickson F, Weatherburn P.

BMJ Open. 2016 Sep 14;6(9):e011372. doi: 10.1136/bmjopen-2016-011372.

26.

HIV Self-Testing among Men Who Have Sex with Men (MSM) in the UK: A Qualitative Study of Barriers and Facilitators, Intervention Preferences and Perceived Impacts.

Witzel TC, Rodger AJ, Burns FM, Rhodes T, Weatherburn P.

PLoS One. 2016 Sep 9;11(9):e0162713. doi: 10.1371/journal.pone.0162713. eCollection 2016.

27.

Intracortical depth analyses of frequency-sensitive regions of human auditory cortex using 7TfMRI.

Ahveninen J, Chang WT, Huang S, Keil B, Kopco N, Rossi S, Bonmassar G, Witzel T, Polimeni JR.

Neuroimage. 2016 Dec;143:116-127. doi: 10.1016/j.neuroimage.2016.09.010. Epub 2016 Sep 5.

28.

Ultrafast Brain MRI: Clinical Deployment and Comparison to Conventional Brain MRI at 3T.

Prakkamakul S, Witzel T, Huang S, Boulter D, Borja MJ, Schaefer P, Rosen B, Heberlein K, Ratai E, Gonzalez G, Rapalino O.

J Neuroimaging. 2016 Sep;26(5):503-10. doi: 10.1111/jon.12365. Epub 2016 Jun 7.

PMID:
27273370
29.

Automatic cortical surface reconstruction of high-resolution T1 echo planar imaging data.

Renvall V, Witzel T, Wald LL, Polimeni JR.

Neuroimage. 2016 Jul 1;134:338-354. doi: 10.1016/j.neuroimage.2016.04.004. Epub 2016 Apr 11.

30.

It Starts With Me: Privacy concerns and stigma in the evaluation of a Facebook health promotion intervention.

Witzel TC, Guise A, Nutland W, Bourne A.

Sex Health. 2016 Jun;13(3):228-33. doi: 10.1071/SH15231.

31.

Characterization of Axonal Disease in Patients with Multiple Sclerosis Using High-Gradient-Diffusion MR Imaging.

Huang SY, Tobyne SM, Nummenmaa A, Witzel T, Wald LL, McNab JA, Klawiter EC.

Radiology. 2016 Jul;280(1):244-51. doi: 10.1148/radiol.2016151582. Epub 2016 Feb 9.

32.

The Structural Connectome of the Human Central Homeostatic Network.

Edlow BL, McNab JA, Witzel T, Kinney HC.

Brain Connect. 2016 Apr;6(3):187-200. doi: 10.1089/brain.2015.0378. Epub 2015 Dec 31.

33.

Low-Cost High-Performance MRI.

Sarracanie M, LaPierre CD, Salameh N, Waddington DEJ, Witzel T, Rosen MS.

Sci Rep. 2015 Oct 15;5:15177. doi: 10.1038/srep15177.

34.

MGH-USC Human Connectome Project datasets with ultra-high b-value diffusion MRI.

Fan Q, Witzel T, Nummenmaa A, Van Dijk KRA, Van Horn JD, Drews MK, Somerville LH, Sheridan MA, Santillana RM, Snyder J, Hedden T, Shaw EE, Hollinshead MO, Renvall V, Zanzonico R, Keil B, Cauley S, Polimeni JR, Tisdall D, Buckner RL, Wedeen VJ, Wald LL, Toga AW, Rosen BR.

Neuroimage. 2016 Jan 1;124(Pt B):1108-1114. doi: 10.1016/j.neuroimage.2015.08.075. Epub 2015 Sep 10.

35.

In vivo mapping of human spinal cord microstructure at 300mT/m.

Duval T, McNab JA, Setsompop K, Witzel T, Schneider T, Huang SY, Keil B, Klawiter EC, Wald LL, Cohen-Adad J.

Neuroimage. 2015 Sep;118:494-507. doi: 10.1016/j.neuroimage.2015.06.038. Epub 2015 Jun 19.

36.

White matter compartment models for in vivo diffusion MRI at 300mT/m.

Ferizi U, Schneider T, Witzel T, Wald LL, Zhang H, Wheeler-Kingshott CA, Alexander DC.

Neuroimage. 2015 Sep;118:468-83. doi: 10.1016/j.neuroimage.2015.06.027. Epub 2015 Jun 16.

37.

Reducing sensitivity losses due to respiration and motion in accelerated echo planar imaging by reordering the autocalibration data acquisition.

Polimeni JR, Bhat H, Witzel T, Benner T, Feiweier T, Inati SJ, Renvall V, Heberlein K, Wald LL.

Magn Reson Med. 2016 Feb;75(2):665-79. doi: 10.1002/mrm.25628. Epub 2015 Mar 23.

38.

A 32-channel combined RF and B0 shim array for 3T brain imaging.

Stockmann JP, Witzel T, Keil B, Polimeni JR, Mareyam A, LaPierre C, Setsompop K, Wald LL.

Magn Reson Med. 2016 Jan;75(1):441-51. doi: 10.1002/mrm.25587. Epub 2015 Feb 17.

39.

Selective magnetic resonance imaging of magnetic nanoparticles by acoustically induced rotary saturation.

Zhu B, Witzel T, Jiang S, Huang SY, Rosen BR, Wald LL.

Magn Reson Med. 2016 Jan;75(1):97-106. doi: 10.1002/mrm.25522. Epub 2014 Dec 23.

40.

The impact of gradient strength on in vivo diffusion MRI estimates of axon diameter.

Huang SY, Nummenmaa A, Witzel T, Duval T, Cohen-Adad J, Wald LL, McNab JA.

Neuroimage. 2015 Feb 1;106:464-72. doi: 10.1016/j.neuroimage.2014.12.008. Epub 2014 Dec 9.

41.

Spatio-temporal dynamics and laterality effects of face inversion, feature presence and configuration, and face outline.

Marinkovic K, Courtney MG, Witzel T, Dale AM, Halgren E.

Front Hum Neurosci. 2014 Nov 10;8:868. doi: 10.3389/fnhum.2014.00868. eCollection 2014.

42.

Investigating the capability to resolve complex white matter structures with high b-value diffusion magnetic resonance imaging on the MGH-USC Connectom scanner.

Fan Q, Nummenmaa A, Witzel T, Zanzonico R, Keil B, Cauley S, Polimeni JR, Tisdall D, Van Dijk KR, Buckner RL, Wedeen VJ, Rosen BR, Wald LL.

Brain Connect. 2014 Nov;4(9):718-26. doi: 10.1089/brain.2014.0305.

43.

Increasing fMRI sampling rate improves Granger causality estimates.

Lin FH, Ahveninen J, Raij T, Witzel T, Chu YH, Jääskeläinen IP, Tsai KW, Kuo WJ, Belliveau JW.

PLoS One. 2014 Jun 26;9(6):e100319. doi: 10.1371/journal.pone.0100319. eCollection 2014. Erratum in: PLoS One. 2014;9(9):e109064.

44.

Improving the spatial resolution of magnetic resonance inverse imaging via the blipped-CAIPI acquisition scheme.

Chang WT, Setsompop K, Ahveninen J, Belliveau JW, Witzel T, Lin FH.

Neuroimage. 2014 May 1;91:401-11. doi: 10.1016/j.neuroimage.2013.12.037. Epub 2013 Dec 27.

45.

Quantitative oxygenation venography from MRI phase.

Fan AP, Bilgic B, Gagnon L, Witzel T, Bhat H, Rosen BR, Adalsteinsson E.

Magn Reson Med. 2014 Jul;72(1):149-59. doi: 10.1002/mrm.24918. Epub 2013 Sep 4.

46.

Mitigate B1+ inhomogeneity using spatially selective radiofrequency excitation with generalized spatial encoding magnetic fields.

Hsu YC, Chern IL, Zhao W, Gagoski B, Witzel T, Lin FH.

Magn Reson Med. 2014 Apr;71(4):1458-69. doi: 10.1002/mrm.24801. Epub 2013 Jun 21.

47.

The Human Connectome Project and beyond: initial applications of 300 mT/m gradients.

McNab JA, Edlow BL, Witzel T, Huang SY, Bhat H, Heberlein K, Feiweier T, Liu K, Keil B, Cohen-Adad J, Tisdall MD, Folkerth RD, Kinney HC, Wald LL.

Neuroimage. 2013 Oct 15;80:234-45. doi: 10.1016/j.neuroimage.2013.05.074. Epub 2013 May 24.

48.

Pushing the limits of in vivo diffusion MRI for the Human Connectome Project.

Setsompop K, Kimmlingen R, Eberlein E, Witzel T, Cohen-Adad J, McNab JA, Keil B, Tisdall MD, Hoecht P, Dietz P, Cauley SF, Tountcheva V, Matschl V, Lenz VH, Heberlein K, Potthast A, Thein H, Van Horn J, Toga A, Schmitt F, Lehne D, Rosen BR, Wedeen V, Wald LL.

Neuroimage. 2013 Oct 15;80:220-33. doi: 10.1016/j.neuroimage.2013.05.078. Epub 2013 May 24.

49.

fMRI hemodynamics accurately reflects neuronal timing in the human brain measured by MEG.

Lin FH, Witzel T, Raij T, Ahveninen J, Tsai KW, Chu YH, Chang WT, Nummenmaa A, Polimeni JR, Kuo WJ, Hsieh JC, Rosen BR, Belliveau JW.

Neuroimage. 2013 Sep;78:372-84. doi: 10.1016/j.neuroimage.2013.04.017. Epub 2013 Apr 13.

50.

Whole-head rapid fMRI acquisition using echo-shifted magnetic resonance inverse imaging.

Chang WT, Nummenmaa A, Witzel T, Ahveninen J, Huang S, Tsai KW, Chu YH, Polimeni JR, Belliveau JW, Lin FH.

Neuroimage. 2013 Sep;78:325-38. doi: 10.1016/j.neuroimage.2013.03.040. Epub 2013 Apr 4.

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