[1] Subang Jaya Med Ctr, Dept Med, Subang Jaya, Selangor, Malaysia
[2] Chulalongkorn Univ, King Chulalongkorn Mem Hosp, Fac Med,Thai Red Cross Soc, Vinai Parkpian Orthopaed Res Ctr,Dept Orthopaed, Bangkok 10330, Thailand
[3] De La Salle Med Hlth Sci Inst DLSMHSI, Coll Med, Dasmarinas, Cavite, Philippines
[4] Univ Malaya, Fac Med, Dept Med, Ageing & Age Associated Disorders Res Grp, Kuala Lumpur, Malaysia
[5] Sunway Univ, Fac Healthcare & Med Sci, Dept Med Sci, Bandar Sunway, Malaysia
[6] Univ Philippines, Dept Med, Philippine Gen Hosp, Coll Med, Manila, Philippines
[7] Beacon Hosp, Dept Orthoped Surg, Petaling Jaya, Malaysia
[8] Univ Kebangsaan Malaysia, Fac Med, Dept Orthopaed & Traumatol, Kuala Lumpur, Malaysia
[9] St Lukes Med Ctr, Rheumatol Allergy & Immunol Ctr, Manila, Philippines
[10] Ctr Hosp Conde Sao Januario, Orthopaed Dept, Macau, Peoples R China
[11] 103 Mil Hosp, Dept Rheumatol, Hanoi, Vietnam
[12] 30 4 Hosp, Rheumatol Dept, Ho Chi Minh City, Vietnam
[13] Univ Ghent, Dept Endocrinol, Ghent, Belgium
[14] ULiege, Publ Hlth Epidemiol & Hlth Econ Dept, Liege, Belgium
[15] King Saud Univ, Coll Sci, Biochem Dept, Kingdom Saudi Arabia, Riyadh, Saudi Arabia
[16] Ctr Acad Rech & Expt Sante CARES SPRL, Liege, Belgium
[17] Univ Palermo, Dept Internal Med & Geriatr, Geriatr Unit, Vle F Scaduto 61, I-90144 Palermo, Italy
[18] Univ Philippines, Coll Med, Manila, Philippines