[1] Hosp Badalona Germans Trias & Pujol, Dept Gastroenterol, Badalona, Spain
[2] CIBEREHD, Dept Gastroenterol & Hepatol, Madrid, Spain
[3] Hosp Univ Ramon & Cajal, Dept Gastroenterol & Hepatol, Madrid, Spain
[4] Hosp Univ Marques de Valdecilla, Dept Gastroenterol, Santander, Spain
[5] IDIVAL, Dept Gastroenterol, Santander, Spain
[6] Hosp Univ & Politecn La Fe, Dept Gastroenterol, Valencia, Spain
[7] Hosp del Mar, Dept Gastroenterol, Barcelona, Spain
[8] Hosp Univ Puerta de Hierro, Dept Gastroenterol, Majadahonda, Spain
[9] Complejo Hosp Univ Vigo, Dept Gastroenterol, Vigo, Spain
[10] Hosp Univ Donostia, Dept Gastroenterol, San Sebastian, Spain
[11] Univ Pais Vasco UPV EHU, Dept Gastroenterol, San Sebastian, Spain
[12] Inst Biodonostia, Dept Gastroenterol, San Sebastian, Spain
[13] Complexo Hosp Univ Santiago, Dept Gastroenterol, Santiago De Compostela, Spain
[14] Corp Sanitaria Univ Parc Tauli, Dept Gastroenterol, Sabadell, Spain
[15] Hosp Univ Reina Sofia, Dept Gastroenterol, Cordoba, Spain
[16] IMIBIC, Dept Gastroenterol, Cordoba, Spain
[17] Hosp Univ Miguel Servet, Dept Gastroenterol & Hepatol, Zaragoza, Spain
[18] Hosp Univ Bellvitge, Dept Gastroenterol, Lhospitalet De Llobregat, Spain
[19] Hosp Univ Burgos, Dept Gastroenterol, Burgos, Spain
[20] Consorci Sanitari Terrassa, Dept Gastroenterol, Terrassa, Spain
[21] Hosp Univ Cent Asturias, Dept Gastroenterol, Oviedo, Spain
[22] Hosp Univ Rio Hortega, Dept Gastroenterol, Valladolid, Spain
[23] Hosp Gen Univ Ciudad Real, Dept Gastroenterol, Ciudad Real, Spain
[24] Hosp Univ Fdn Alcorcon, Dept Gastroenterol, Madrid, Spain
[25] Hosp Gen San Jorge, Dept Gastroenterol, Huesca, Spain
[26] Hosp Univ La Princesa, Dept Gastroenterol, Madrid, Spain
[27] Hosp Gen Univ Valencia, Dept Gastroenterol, Valencia, Spain
[28] Hosp Univ Infanta Sofia, Dept Gastroenterol, Madrid, Spain
[29] Hosp Gen Granollers, Dept Gastroenterol & Hepatol, Granollers, Spain
[30] Althaia Xarxa Assistencial Univ Manresa, Dept Gastroenterol, Manresa, Spain
[31] Hosp Gen Univ Alicante, Dept Gastroenterol, Alicante, Spain
[32] Complejo Hosp Navarra, Dept Gastroenterol, Navarra, Spain
[33] Hosp Moises Broggi, Dept Gastroenterol, St Joan Despi, Spain
[34] Hosp Clin Univ Lozano Blesa, Dept Gastroenterol, Zaragoza, Spain
[35] Hosp Univ Canarias, Dept Gastroenterol, San Cristobal la Laguna, Spain
[36] Hosp Arnau Vilanova, Dept Gastroenterol, Lleida, Spain
[37] Hosp Gen Univ Castellon, Dept Gastroenetol, Castellon de La Plana, Spain
[38] Hosp Univ Alava, Dept Gastroenterol, Vitoria, Spain
[39] Hosp Galdakao Usansolo, Dept Gastroenterol, Galdakao, Spain
[40] Hosp Univ Joan XXIII, Dept Gastroenterol, Tarragona, Spain
[41] Hosp Univ Nuestra Senora de la Candelaria, Dept Gastroenterol, Santa Cruz De Tenerife, Spain