[1] Univ Mil Nueva Granada, Univ El Bosque, Hosp Univ Fdn St afe Bogota, Fac Med, Bogota, Colombia
[2] Pontificia Univ Javeriana, Hosp Univ San Ignacio, Bogota, Colombia
[3] Rosario Natl Univ, Sch Med, Bone Biol Lab, Rosario, Argentina
[4] Hosp Gen Mexico City, Mexico City, Mexico
[5] Univ Republ UDELAR, Catedra Reumatol, Montevideo, Uruguay
[6] Hosp Dr JM Ramos Mejia, Buenos Aires, Argentina
[7] Hosp Mexico, CCSS, San Jose, Costa Rica
[8] Pacifica Salud Hosp Punta Pacifica, Clin All, Panama City, Panama
[9] Univ Fed Minas Gerais, Belo Horizonte, Brazil
[10] UMIR Internal Med & Rheumatol Unit, Caracas, Venezuela
[11] CERM, Ctr Excellence Rheumat & Musculoskeletal Dis, Mexico City, Mexico
[12] Univ Desarrollo, Fac Med, Clin Alemana Santiago, Santiago, Chile
[13] Gestor Reumatol Riesgo Fractura SA, Bogota, Colombia
[14] Univ Toronto, Rheumatol, Toronto, ON, Canada
[15] Univ Republica, Cathedra Rheumatol, Uruguayan Soc Rheumatol, Montevideo, Uruguay
[16] Hosp Clin Porto Alegre, Rheumatol Div, Porto Alegre, Brazil
[17] Univ Autonoma Chihuahua Invest & Biomed Chihuahua, Fac Med, Neurol, Chihuahua, Mexico
[18] Univ Texas Southwestern Med Ctr Dallas, Dept Internal Med, Dallas, TX USA
[19] Univ Tecnol Pereira, Hosp Univ San Jorge Pereira, Fac Med, Pereira, Risaralda, Colombia
[20] Sanat Julio Mendez, Buenos Aires, Argentina
[21] Hosp Clin Univ Chile, Santiago, Chile
[22] Univ Catolica Santiago Guayaquil, Guayaquil, Ecuador
[23] Univ Piura, Hosp Cent Fuerza Aerea, Fac Med, Lima, Peru
[24] Ctr Med Reumactr, Juliaca, Peru
[25] Hosp III Red Asistencial Essalud, Juliaca, Peru
[26] Inst Rehabil Psicofis, Buenos Aires, Argentina
[27] Univ Miami, Miller Sch Med, Div Rheumatol, Miami, FL USA
[28] Univ Sao Paulo, Fac Med, Rheumatol Div, Sao Paulo, Brazil
[29] Hosp Italiano Buenos Aires, Internal Med Serv & Univ Inst, Rheumatol Unit, Buenos Aires, Argentina