1 Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Leioa, Spain; Biocruces Bizkaia Health Research Institute, Barakaldo, Spain.
2 Department of Gastroenterology, Biodonostia Health Research Institute, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), University of the Basque Country (UPV/EHU), San Sebastián, Spain.
3 Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Leioa, Spain; Biocruces Bizkaia Health Research Institute, Barakaldo, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain.
4 Department of Gastroenterology, Hospital General de Tomelloso, Tomelloso, Spain; CIBER de enfermedades Hepáticas y Digestiva (CIBERehd), Instituto de Investigación Sanitaria La Princesa, Instituto de Investigación Sanitaria de Castilla-La Mancha (IDISCAM).
5 Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Leioa, Spain; Biocruces Bizkaia Health Research Institute, Barakaldo, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain; Ikerbasque, Basque Foundation for Science, Bilbao, Spain. Electronic address: [email protected].