1. Department of Medicine, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona
2. Department of Endocrinology and Nutrition, Hospital Universitari Germans Trias i Pujol
3. Department of Immunology, Laboratory of Immunobiology for Research and Application to Diagnosis (LIRAD)‐Blood and Tissue Bank (BST), Hospital Universitari Germans Trias i Pujol
4. Department of Clinical Biochemestry, Hospital Universitari Germans Trias i Pujol
5. Department of Nuclear Medicine, Hospital Universitari Germans Trias i Pujol
6. Department of Gastroenterology and Hepatology, CIBERHED, Hospital Universitari Germans Trias i Pujol, Badalona, Spain