[1] Gen Hosp Univ Alicante, Unidad Pancreat, E-03080 Alicante, Spain
[2] Gen Hosp Univ Alicante, Unidad Endocrinol & Nutr, E-03080 Alicante, Spain
[3] Univ Valencia, Hosp Clin, Serv Higado & Pancreas, Valencia, Spain
[4] Consorci Sanitari Terrassa, Serv Digestol, Terrassa, Spain
[5] Hosp Univ Elche, Secc Endocrinol, Elche, Spain
[6] Hosp Univ Marques Valdecilla, Unidad Gastroenterol, Santander, Spain
[7] Hosp Univ Santiago de Compostela, Dept Gastroenterol & Hepatol, Santiago De Compostela, Spain
[8] Hosp Santa Creu & Sant Pau, Dept Gastroenterol, Barcelona, Spain
[9] IDIBAPS, Hosp Clin, Inst Malaties Digest & Metab, Barcelona, Spain
[10] Gen Hosp Univ Alicante, Unidad Dolor, E-03080 Alicante, Spain
[11] Hosp La Fe, Unidade Endocrinol & Nutr, E-46009 Valencia, Spain
[12] Hosp Univ Vall dHebron, Serv Aparell Digestiu, Grp Invest Pancreatol, Barcelona, Spain
[13] Hosp Univ Dr Peset, Serv Med Digest, Valencia, Spain
[14] Gen Hosp Univ Alicante, Unidad Hepat, E-03080 Alicante, Spain
[15] Univ Valencia, Hosp Clin, Serv Cirurgia Gen, Valencia, Spain
[16] Univ Valencia, Hosp Clin, Dept Cirugia, Valencia, Spain