[1] Univ Fed Rio Grande Do Sul UFRGS, Hosp Clin Porto Alegre HCPA, Porto Alegre, RS, Brazil
[2] Univ Estadual Paulista UNESP, Fac Med Botucatu, Botucatu, SP, Brazil
[3] Univ Fed Uberlandia UFU, Uberlandia, MG, Brazil
[4] Hosp Sirio Libanes, Sao Paulo, SP, Brazil
[5] Univ Fed Bahia UFBA, Salvador, BA, Brazil
[6] Univ Fed Sao Paulo UNIFESP, Sao Paulo, SP, Brazil
[7] Hosp Sao Jose, Criciuma, SC, Brazil
[8] Univ Toronto, Toronto, ON, Canada
[9] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, RJ, Brazil
[10] Univ Fed Ciencias Saude Porto Alegre UFCSPA, Porto Alegre, RS, Brazil
[11] Univ Brasilia UNB, Brasilia, DF, Brazil
[12] Hosp Servidor Publ Estadual, Sao Paulo, SP, Brazil
[13] Queens Univ, Kingston, ON, Canada
[14] Hosp Getblio Vargas, Teresina, PI, Brazil
[15] Univ Sao Paulo, Fac Med Ribeirao Preto, Ribeirao Preto, SP, Brazil
[16] Univ Sao Paulo HCFMUSP, Fac Med, Hosp Clin, Sao Paulo, SP, Brazil
[17] Univ Fed Fluminense UFF, Niteroi, RJ, Brazil
[18] Hosp Sao Rafael, Salvador, BA, Brazil
[19] Univ Estadual Campinas, Campinas, SP, Brazil