[1] Univ Autonoma San Luis Potosi, Hosp Ignacio Morones Prieto, Fac Med, Serv Reumatol, San Luis Potosi, Mexico
[2] Unidad Invest Enfermedades Cron Degenerat SC, Guadalajara, Jalisco, Mexico
[3] Colegio Mexicano Reumatol AC, Mexico City, DF, Mexico
[4] Univ Marista, Escuela Med, Merida, Yucatan, Mexico
[5] Hosp Angeles Pedregal, Cdmx, Mexico
[6] Univ Guadalajara, Ctr Univ Ciencias Salud, Dept Clin Med, Guadalajara, Jalisco, Mexico
[7] Univ Autonoma Nuevo Leon, Hosp Univ Dr Jose Eleuterio Gonzalez, Serv Reumatol, Monterrey, Nuevo Leon, Mexico
[8] Hosp Dr Gustavo A Rovirosa Perez, Med Interna, Villa Hermosa, Tabasco, Mexico
[9] Hosp CMN 20 Noviembre, Serv Reumatol, ISSSTE, Mexico City, Mexico
[10] Hosp Gen Mexico Dr Eduardo Liceaga, Mexico City, Mexico
[11] Inst Nacl Ciencia Med & Nutr Salvador Zubiran, Dept Inmunol & Reumatol, Mexico City, Mexico
[12] Inst Mexicano Seguro Social IMSS, Dept Reumatol, Hosp Especialidades, Ctr Med Nacl Siglo 21, Mexico City, Mexico
[13] Inst Nacl Cardiol Ignacio Chavez, Dept Reumatol, Mexico City, Mexico
[14] Hosp Reg 1 Octubre, Inst Seguridad & Serv Sociales Trabajadores Estado, Mexico City, Mexico
[15] IMSS, Ctr Med Nacl La Raza Antonio Fraga Mouret, Hosp Especialidades, Mexico City, Mexico
[16] Inst Nacl Enfermedades Resp, Clin Vasculitis Sistem Primarias, Mexico City, Mexico
[17] IMSS, Hosp Gen Reg 220, Toluca, Estado Mexico, Mexico
[18] Hosp Gen Subzona 9, IMSS, San Luis Potosi, Mexico
[19] Asunc Ixtaltepec, Oaxaca, Mexico
[20] Univ Autonoma Chihuahua, Hosp Angeles Chihuahua, Fac Med & Ciencias Biomed, Chihuahua, Mexico
[21] Colegio Mexicano Reumatol, Registro Mexicano Acotamientos Adversos Terapias B, Mexico City, Mexico
[22] Inst Nacl Enfermedades Resp, Mexico City, Mexico
[23] Univ Autonoma Coahuila, Fac Med, Torreon, Coahuila, Mexico
[24] Hosp Cent PEMEX, Serv Reumatol, Mexico City, Mexico
[25] IMSS, Reumatol, Hosp Gen Zona 17, Nuevo Leon, Mexico
[26] IMSS, Ctr Infus, Hosp Gen Zona 17, Nuevo Leon, Mexico
[27] Hosp Gen Tijuana, Dept Med Interna, Tijuana, Baja California, Mexico
[28] Hosp Gen Cuernavaca, Serv Salud Morelos, Cuernavaca, Morelos, Mexico
[29] Univ Autonoma Chihuahua, Fac Med & Ciencias Biomed, Chihuahua, Mexico