[1] St Jude Childrens Res Hosp, Dept Global Pediat Med, Memphis, TN USA
[2] Washington Univ St Louis, Brown Sch, St Louis, MO USA
[3] St Louis Univ, Coll Publ Hlth & Social Justice, St Louis, MO USA
[4] Washington Univ St Louis, Sch Med, Dept Surg, Div Publ Hlth Sci, St Louis, MO USA
[5] St Damien Hosp, Port Au Prince, Haiti
[6] Benemerito Hosp Gen Con Especial Juan Maria de Sal, La Paz, Mexico
[7] Hosp Nacl Ninos Dr Carlos Saenz Herrera, San Jose, Costa Rica
[8] Hosp Nino Jose Renan Esquivel, Panama City, Panama
[9] Inst Nacl Enfermedades Neoplas, Lima, Peru
[10] Inst Med Integral Prof Fernando Figueira, Recife, Brazil
[11] Hosp Nacl Ninos Benjamin Bloom, San Salvador, El Salvador
[12] Hosp Gen Celaya, Celaya, Mexico
[13] Fac Ciencias Med, Hosp Clin, Asuncion, Paraguay
[14] Hosp Infantil Teleton Oncol, Queretaro, Mexico
[15] Monterrey Univ, Hosp Univ Dr Jose E Gonzalez, Monterrey, Mexico
[16] Hosp Cent Dr Ignacio Morones Prieto, San Luis Potosi, Mexico
[17] HOSP MARTAGAO GESTEIRA, DEPT PATHOL, Salvador 40000, BA, Brazil
[18] ISSEMYM Hosp Materno Infantil, Toluca, Mexico
[19] Hosp Especialidades Nino & Mujer Dr Felipe Nunez L, Queretaro, Mexico
[20] Hosp Escuela Univ, Tegucigalpa, Honduras
[21] SOLCA Quito, Quito, Ecuador
[22] Unidad Nacl Oncol Pediat, Guatemala City, Guatemala
[23] Ctr Med Imbanaco, Cali, Colombia
[24] Hosp Nino Santisima Trinidad, Cordoba, Argentina
[25] Hosp La Paz, Madrid, Spain
[26] Hosp Caja Petrolera Salud Santa Cruz, Santa Cruz Petrolera, Bolivia
[27] Hosp Univ Austral, Buenos Aires, Argentina
[28] Hosp Nacl Edgardo Rebagliati Martins, Lima, Peru
[29] Hosp Reg Alta Especialidad Bajio, Leon, Mexico
[30] Columbia Univ, Dept Sociomed Sci, New York, NY USA
[31] Oriente Univ Chile, Associated Dept Pediat & Pediat Surg, Santiago, Chile
[32] St Jude Childrens Res Hosp, Div Crit Care, Memphis, TN 38105 USA