[1] IMSS, Hlth Res Coordinat, Mexico City, DF, Mexico
[2] IMSS, CMN La Raza, Hosp Gen Gaudencio Gonzalez Garza, Pediat Hematol Serv, Mexico City, DF, Mexico
[3] IMSS, UMAE Hosp Pediat CMN Siglo 21, Med Res Unit Clin Epidemiol, Mexico City, DF, Mexico
[4] IMSS, UMAE Hosp Pediatria CMN Siglo 21, Hematol Serv, Mexico City, DF, Mexico
[5] Childrens Hosp Mexico, Federico Gomez, SS, Mexico City, DF, Mexico
[6] INP, Hematol Serv, SS, Mexico City, DF, Mexico
[7] ISSSTE, CMN Noviembre 20, Pediat Hematol Serv, Mexico City, DF, Mexico
[8] Hosp Juarez Mexico, SS, Oncopediat Serv, Mexico City, DF, Mexico
[9] Secretaria Salud Ciudad Mexico SSCDMX, Hosp Pediat Moctezuma, Oncol Serv, Mexico City, DF, Mexico
[10] Hosp Gen Mexico City, SSa, Pediat Hematol Serv, Mexico City, DF, Mexico
[11] Hosp Gen Reg HGR 1 Dr Carlos Mac Gregor Sanchez N, Pediat Hematol Serv, Mexico City, DF, Mexico
[12] IMSS, Hosp Gen Gaudencio Gonzalez Garza CMN Raza, Pediat Surg Serv, Mexico City, DF, Mexico
[13] HGR 1 Dr Carlos Mac Gregor Sanchez Navarro IMSS, Pediat Surg Serv, Mexico City, DF, Mexico
[14] Pediat Hosp Iztacalco, SSCDMX, Mexico City, DF, Mexico
[15] Pediat Hosp Iztapalapa, SSCDMX, Mexico City, DF, Mexico
[16] Hosp Gen Zona HGZ 8 Dr Gilberto Flores Izquierdo, Serv Pediat, Mexico City, DF, Mexico
[17] Hosp Juarez Ctr, Pediat Serv, SS, Mexico City, DF, Mexico
[18] ISEM, Gen Hosp Ecatepec Las Amer, Mexico City, DF, Mexico
[19] Gen Hosp Dr Manuel Gea Gonzalez SS, Mexico City, DF, Mexico
[20] Pediat Hosp La Villa, SSCDMX, Mexico City, DF, Mexico
[21] Pediat Hosp San Juan Aragon, SSCDMX, Mexico City, DF, Mexico
[22] IMSS, HGR Lic Vicente Santos Guajardo 72, Pediat Serv, Mexico City, DF, Mexico
[23] IMSS, HGZ 32, Pediat Surg Serv, Mexico City, DF, Mexico
[24] Hosp Pediat Moctezuma, Pediat Surg Serv, SSCDMX, Mexico City, DF, Mexico
[25] Hosp Pediat Tacubaya, Pedia Serv, SSCDMX, Mexico City, DF, Mexico
[26] IMSS, HGZ 47, Pediat ER, Mexico City, DF, Mexico
[27] Hosp Reg 1 Octubre, ISSSTE, Pediat Surg Serv, Mexico City, DF, Mexico
[28] IMSS, HGR 25, Mexico City, DF, Mexico
[29] Hosp Gen Zona Con Med Familiar HGZMF 29 IMSS, Pediat Serv, Mexico City, DF, Mexico
[30] IMSS, HGZ 27, Pediat Surg Serv, Mexico City, DF, Mexico
[31] SSa, INP, Oncol Serv, Mexico City, DF, Mexico
[32] IMSS, Delegac Reg Estado Mexico Oriente, Mexico City, DF, Mexico
[33] IMSS, CMN Siglo 21, Hosp Pediatria, Mol Biol Lab,UMAE, Mexico City, DF, Mexico
[34] IMSS, Hosp Infectol Dr Daniel Mendez Hernandez CMN La R, Unidad Invest Med Inmunol & Infectol, Lab Coordinat Epidemiol Surveillance & Support Co, Mexico City, DF, Mexico
[35] IMSS, Hosp Infectol Dr Daniel Mendez Hernandez CMN La R, Med Res Unit Immunol & Infectol, Mexico City, DF, Mexico
[36] Inst Nacl Med Genom, Canc Genom Lab, Mexico City, DF, Mexico
[37] IMSS, CMN Siglo 21, Hosp Pediat, Med Res Unit Human Genet,UMAE, Mexico City, DF, Mexico