1 Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, UPV/EHU, Leioa, Spain.
2 Biobizkaia Health Research Institute, Barakaldo, Spain.
3 Department of Biochemistry and Molecular Biology, University of the Basque Country, UPV/EHU, Leioa, Spain.
4 Department of Liver and Gastrointestinal Diseases, Biodonostia Health Research Institute, Donostia University Hospital, Donostia-san Sebastian, Spain.
5 Centro de Investigación Biomédica en Red enfermedades hepaticas y digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain.
6 Servicio Aparato Digestivo, Hospital Universitario de Galdakao, Galdakao, Spain.
7 Faculty of Medicine and Nursing, Department of Medicine, University of the Basque Country, UPV/EHU, Leioa, Spain.
8 Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain.
9 IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.