1. Biochemistry Donostia University Hospital San Sebastián País Vasco Spain
2. School of Medicine University of the Basque Country (UPV‐EHU) San Sebastián País Vasco Spain
3. Hematology Asuncion Clinic Tolosa País Vasco Spain
4. Immunology Donostia University Hospital San Sebastián País Vasco Spain
5. Gastroenterology Donostia University Hospital San Sebastián País Vasco Spain
6. Department of Liver and Gastrointestinal Diseases Biodonostia Health Research Institute San Sebastián País Vasco Spain
7. National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd) Carlos III National Institute of Health Madrid Spain