[1] Hosp Clin Dr Manuel Quintela, Montevideo, Uruguay
[2] Inst Previs Social, Asuncion, Paraguay
[3] Hosp Salvador, Santiago, Chile
[4] Inst Nacl Cancerol ESE Colombia, Bogota, Colombia
[5] Inst Mexicano Seguro Social, Ctr Med Nacl La Raza, Mexico City, DF, Mexico
[6] UANL, Serv Hematol, Univ Hosp, Monterrey, Nuevo Leon, Mexico
[7] UANL, Fac Med, Monterrey, Nuevo Leon, Mexico
[8] Hosp Italiano Buenos Aires, Buenos Aires, DF, Argentina
[9] Ariel Corzo Hosp Clin, Buenos Aires, DF, Argentina
[10] Hosp Cent FFAA, Montevideo, Uruguay
[11] Clin Carlos Ardila Lulle, Bucaramanga, Colombia
[12] Hosp San Martin La Plata, La Plata, Argentina
[13] Inst Alexander Fleming, Buenos Aires, DF, Argentina
[14] Hosp Rossi, La Plata, Argentina
[15] SOLCA Inst Oncol Nacl Guayaquil, Guayaquil, Ecuador
[16] CEMIC, Unidad Trasplante Hematopoyet, Buenos Aires, DF, Argentina
[17] FUNDALEU, Buenos Aires, DF, Argentina
[18] Hospital Britan Buenos Aires, Buenos Aires, DF, Argentina
[19] Mexico Clin Ruiz, Puebla, Mexico