[1] INICC, Buenos Aires, DF, Argentina
[2] Univ Wisconsin, Sch Med, Madison, WI USA
[3] Songklanagarind Hosp, Songkhla, Thailand
[4] Hosp Sao Paulo, Sao Paulo, Brazil
[5] AMRI Hosp, Kolkata, India
[6] Clin CES, Medellin, Colombia
[7] Ondokuz Mayis Univ, Sch Med, Samsun, Turkey
[8] Jordan Univ Hosp, Amman, Jordan
[9] IMSS, Hosp Pediat CMN Siglo 21, Mexico City, DF, Mexico
[10] Philippine Gen Hosp, Manila, Philippines
[11] Hosp Maria Auxiliadora, Lima, Peru
[12] Childrens Hosp Rabat, Rabat, Morocco
[13] Hosp Univ Gral, Calixto, Garcia Havana, Cuba
[14] Hosp Nacl Ninos Benjamin Bloom, San Salvador, El Salvador
[15] Filip II Special Cardiosurg Hosp, Skopje, Macedonia
[16] Zhongshan Hosp, Shanghai, Peoples R China
[17] Kaunas Univ Med, Children Clin, Kaunas, Lithuania
[18] Amer Univ Beirut, Med Ctr, Beirut, Lebanon
[19] Clin Hosp San Fernando Panama, Panama City, Panama
[20] Hosp Clin Bibl, San Jose, Costa Rica
[21] Hop Enfants, Tunis, Tunisia
[22] Prishtina Univ, Natl Inst Publ Hlth Kosova, Prishtina, Serbia
[23] Prishtina Univ, Sch Med, Prishtina, Serbia
[24] Univ Hosp Heraklion, Iraklion, Greece
[25] Liaquat Natl Hosp, Karachi, Pakistan
[26] Cho Ray Hosp, Ho Chi Minh City, Vietnam
[27] Hosp Militar Dr Carlos Arvelo, Caracas, Venezuela