[1] Santa Casa Rio de Janeiro, Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, BR-21941 Rio De Janeiro, Brazil
[3] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[4] Insper Inst Educ & Res, Sao Paulo, Brazil
[5] Univ Sao Paulo, Div Rheumatol, BR-01246903 Sao Paulo, Brazil
[6] Univ Brasilia, BR-70910900 Brasilia, DF, Brazil
[7] Hosp Geral Goiania, Goiania, Go, Brazil
[8] Univ Estadual Campinas, Campinas, SP, Brazil
[9] Univ Fed Amazonas, Manaus, Amazonas, Brazil
[10] Pontificia Univ Catolica Porto Alegre, Porto Alegre, RS, Brazil
[11] Hosp Evangel Curitiba, Curitiba, Parana, Brazil
[12] Fac Med Sao Jose do Rio Preto, Sao Jose Do Rio Preto, SP, Brazil
[13] Univ Fed Parana, BR-80060000 Curitiba, Parana, Brazil
[14] Hosp Geral Fortaleza, Fortaleza, Ceara, Brazil
[15] Pontificia Univ Catolica Campinas, Campinas, SP, Brazil
[16] Santa Casa Sao Paulo, Sao Paulo, Brazil
[17] Hosp Base, Brasilia, DF, Brazil
[18] Univ Fed Mato Grosso do Sul, Universitaria, MS, Brazil
[19] Univ Fed Pernambuco, Recife, PE, Brazil
[20] Univ Fed Rio Grande do Sul, BR-90046900 Porto Alegre, RS, Brazil
[21] Fac Med Souza Marques, Cascadura, RJ, Brazil
[22] Hosp Servidor Publ Estadual, Sao Paulo, Brazil
[23] Univ Sao Paulo, Inst Ortopedia & Traumatol, BR-01246903 Sao Paulo, Brazil
[24] Univ Fed Santa Catarina, BR-88040900 Florianopolis, SC, Brazil
[25] Univ Fed Sao Paulo, Sao Paulo, Brazil
[26] Santa Casa Belo Horizonte, Belo Horizonte, MG, Brazil
[27] Univ Fed Minas Gerais, Belo Horizonte, MG, Brazil
[28] Escola Med & Saude Publ Salvador, Salvador, BA, Brazil
[29] Fed Univ Para, BR-66059 Belem, Para, Brazil
[30] Univ Fed Espirito Santo, Vitoria, ES, Brazil