[1] Hosp Univ Infanta Sofia, Serv Pediat, Cardiol Infantil, Madrid, Spain
[2] Soc Espanola Cardiol Pediat & Cardiopatias Congen, Madrid, Spain
[3] Hosp Univ Rio Hortega, Serv Pediat, Cardiol Infantil, Valladolid, Spain
[4] Hosp Univ Principe Asturias, Serv Pediat, Cardiol Infantil, Madrid, Spain
[5] Hosp Materno Infantil Doce Octubre, Serv Pediat, Unidad Enfermedades Infecciosas, Madrid, Spain
[6] Soc Espanola Infectol Pediat, Madrid, Spain
[7] Hosp Parc Tauli, Serv Pediat, Unidad Reumatol Pediat, Barcelona, Spain
[8] Soc Espanola Reumatol Pediat, Madrid, Spain
[9] Hosp Univ Fdn Alcorcon, Serv Pediat, Cardiol Infantil, Madrid, Spain
[10] Hosp Materno Infantil Doce Octubre, Madrid, Spain
[11] Hosp Univ Rio Hortega, Valladolid, Spain
[12] Hosp Ramon & Cajal, Madrid, Spain
[13] Ctr Salud Infanta Mercedes, Madrid, Spain
[14] Hosp Materno Infantil Vall dHebron, Barcelona, Spain
[15] Soc Espanola Cardiol, Madrid, Spain
[16] Hosp Univ La Paz, Madrid, Spain
[17] Hosp Univ Infanta Sofia, Madrid, Spain
[18] Hosp Univ La Fe, Valencia, Spain
[19] Politecn La Fe, Valencia, Spain
[20] Hosp Univ Fdn Alcorcon, Madrid, Spain
[21] Hosp Nens Barcelona, Barcelona, Spain
[22] Complejo Hosp Jaen, Jaen, Spain
[23] Hosp Univ Marques de Valdecilla, Santander, Cantabria, Spain
[24] Hosp Son LLatzer, Palma De Mallorca, Mallorca, Spain
[25] Hosp San Francisco de Asis, Madrid, Spain
[26] Hosp Severo Ochoa, Madrid, Spain
[27] Hosp La Paz, Madrid, Spain
[28] Hosp Univ Nino Jesus, Madrid, Spain
[29] Hosp Univ Mutua Terrassa, Barcelona, Spain
[30] Hosp Univ Principe Asturias, Madrid, Spain
[31] Hosp Perpetuo Socorro, Las Palmas Gran Canaria, Las Palmas, Spain
[32] Hosp Clin San Carlos, Madrid, Spain
[33] Ctr Salud Infanta Mercedes, Madrid, Spain
[34] Hosp Univ Cruces, Baracaldo, Vizcaya, Spain
[35] Hosp Costa del Sol, Malaga, Spain
[36] Hosp Infanta Elena, Madrid, Spain
[37] Hosp Rio Carrion, Palencia, Spain
[38] Hosp Univ Virgen de las Nieves, Granada, Spain
[39] Hosp St Joan de Deu, Barcelona, Spain
[40] Hosp Univ Gen Catalunya, Barcelona, Spain
[41] Ctr Med Mediterraneo, Almeria, Spain
[42] Hosp Univ St Joan, Tarragona, Spain
[43] Hosp Can Misses, Ibiza, Spain
[44] Hosp Ciudad Coria, Caceres, Spain
[45] Hosp Univ Carlos Haya, Malaga, Spain
[46] Hosp Vega, Murcia, Spain
[47] Hosp Gen Villalba, Madrid, Spain
[48] Hosp Valle De Hebron, Barcelona, Spain
[49] Hosp Univ La Paz, Madrid, Spain
[50] Hosp Univ 12 Octubre, Madrid, Spain