[1] Univ Autonoma Madrid UAM, Hosp Univ Princesa, Inst Invest Sanitaria Princesa IIS Princesa, Madrid, Spain
[2] Ctr Invest Biomed Red Enfermedades Hepat & Dig, Gastroenterol Unit, Madrid, Spain
[3] BRTA Basque Res & Technol Alliance, CIBERehd, ProteoRed ISCIII, Prote Platform,CIC bioGUNE, Derio, Spain
[4] Hosp Univ Cent Asturias, Oviedo, Spain
[5] Inst Invest Sanitaria Principado Asturias ISP, Gastroenterol Unit, Oviedo, Spain
[6] Hosp Univ Marques Valdecilla, Santander, Spain
[7] IDIVAL, Gastroenterol Unit, Santander, Spain
[8] Hosp Gen Univ Alicante ISABIAL, Alicante, Spain
[9] CIBERehd, Gastroenterol Unit, Alicante, Spain
[10] Hosp Galdakao Usansolo, Gastroenterol Unit, Vizcaya, Spain
[11] Hosp Clin Univ Valladolid, Gastroenterol Unit, Valladolid, Spain
[12] Hosp Univ Gran Canaria Dr Negrin, Gastroenterol Unit, Las Palmas Gran Canaria, Spain
[13] Hosp Univ Reina Sofia, Cordoba, Spain
[14] IMIBIC, Gastroenterol Unit, Cordoba, Spain
[15] Hlth Res Inst IISLaFe, Valencia, Spain
[16] Hosp Univ & Politecn La Fe, Gastroenterol Unit, Valencia, Spain
[17] Hosp Clin Univ Santiago de Compostela, Gastroenterol Unit, Santiago De Compostela, Spain
[18] Hosp Univ Fuenlabrada, Madrid, Spain
[19] IDIPAZ, Gastroenterol Unit, Madrid, Spain
[20] Hosp Gen Univ Ciudad Real, Gastroenterol Unit, Ciudad Real, Spain
[21] Hosp San Jorge, Gastroenterol Unit, Huesca, Spain
[22] Hosp Univ Son Espases, Gastroenterol Unit, Palma de Mallorca, Spain
[23] Hosp Univ Mutua Terrasa, Terrassa, Spain
[24] Centro Invest Biomed Red Enfermedades Hepat & Dig, Gastroenterol Unit, Terrassa, Spain