2 Bone and Cartilage Research Unit, Arthropôle Liège, University of Liège, Institute of Pathology, Liège, Belgium; Physical Therapy and Rehabilitation Department, Princess Paola Hospital, Marche-en-Famenne, Belgium. Electronic address: yhenrotin@ulg.ac.be.
3 Rheumatology, Biomarkers and Research, Nordic Bioscience, Herlev, Denmark; Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom. Electronic address: mk@nordicbioscience.com.
4 Department of Cancer and Inflammation Research, University of Southern Denmark, Copenhagen, Denmark; Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Queen's Medical Centre, Nottingham, United Kingdom; Center of Excellence in Genomic Medicine Research (CEGMR), King Fahd Medical Research Center (KFMRC), King Abdul Aziz University, Jeddah, Saudi Arabia; Arthritis Research UK Pain Centre, Queen's Medical Centre, Nottingham, United Kingdom; Medical Research Council and Arthritis Research UK Centre for Musculoskeletal Ageing Research, Queen's Medical Centre, Nottingham, United Kingdom. Electronic address: a.mobasheri@surrey.ac.uk.