[1] Hosp Univ La Princesa, Inst Invest Sanitaria Princesa IIS IP, Madrid, Spain
[2] Hosp Univ La Princesa, Ctr Invest Biomed Red Enfermedades Hepat & Digest, Gastroenterol Unit, Madrid, Spain
[3] Hosp Univ Navarra, Gastroenterol Unit, Pamplona, Spain
[4] Hosp Univ Virgen Rocio, Gastroenterol Unit, Seville, Spain
[5] Complexo Hosp Univ Santiago De Compostela, Gastroenterol Unit, Santiago De Compostela, Spain
[6] Hosp Gen Univ Alicante, Gastroenterol Unit, Alicante, Spain
[7] Xerencia Xest Integrada Vigo SERGAS, Grp Invest Patol Digest, Inst Invest Sanitaria Galicia IIS Galicia Sur SER, Gastroenterol Unit, Vigo, Spain
[8] Hosp Univ Marques Valdecilla & IDIVAL, Gastroenterol Unit, Santander, Spain
[9] Hosp Univ Cent Asturias, Oviedo, Spain
[10] Hosp Univ Cent Asturias, Inst Invest Sanitaria Principado Asturias ISP, Gastroenterol Unit, Oviedo, Spain
[11] Complexo Hosp Univ Coruna, Gastroenterol Unit, Coruna, Spain
[12] Hosp Gen Univ Valencia, Gastroenterol Unit, Valencia, Spain
[13] Hosp Univ Reina Sofia, Gastroenterol Unit, Cordoba, Spain
[14] Hosp Univ Politecn La Fe & CIBEREHD, Gastroenterol Unit, Valencia, Spain
[15] Hosp Clin Univ Lozano Blesa, Zaragoza, Spain
[16] Fdn Inst Invest Sanitaria Aragon IIS Aragon & CIB, Gastroenterol Unit, Zaragoza, Spain
[17] Hosp Univ Juan Ramon Jimenez, Gastroenterol Unit, Huelva, Spain
[18] Hosp Univ Clin & Prov, Gastroenterol Unit, Barcelona, Spain
[19] Hosp Univ Fuenlabrada, Madrid, Spain
[20] Inst Invest Hosp Univ La Paz IdiPAZ, Gastroenterol Unit, Madrid, Spain
[21] Hosp Univ Fdn Alcorcon, Gastroenterol Unit, Madrid, Spain
[22] Hosp Univ Galdakao, Inst Invest Sanitaria Biocruces Bizkaia, Gastroenterol Unit, Galdakao, Spain
[23] Univ Burgos, Gastroenterol Unit, Burgos, Spain
[24] Hosp Univ Virgen La Victoria, Gastroenterol Unit, Malaga, Spain
[25] Univ Hosp 12 Octubre, Gastroenterol Unit, Madrid, Spain
[26] Hosp Univ Son Espases, Gastroenterol Unit, Palma de Mallorca, Spain
[27] Hosp Univ La Paz, Gastroenterol Unit, Madrid, Spain
[28] Hosp Univ Joan XXIII, Gastroenterol Unit, Tarragona, Spain
[29] Complexo Hosp Univ Ourense, Gastroenterol Unit, Orense, Spain
[30] Univ Pais Vasco UPVEHU & CIBEREHD, Inst Biodonostia, Gastroenterol Unit, Guipuzcoa, Spain
[31] Hosp Univ Puerta Hierro, Gastroenterol Unit, Majadahonda, Spain
[32] Hosp Gen Univ Cuidad Real, Gastroenterol Unit, Ciudad Real, Spain
[33] Hosp Univ Cabuenes, Gastroenterol Unit, Gijon, Spain
[34] Hosp Clin Univ San Cecilio, Gastroenterol Unit, Granada, Spain
[35] Complejo Hosp Univ Ferrol, Gastroenterol Unit, La Coruna, Spain
[36] Hosp Univ La Princesa, IISIP & CIBEREHD, Clin & Translat Res Unit, Inflammatory Bowel Dis Unit, Madrid, Spain