1. Digestive Diseases Department, Hospital Universitari Mútua Terrassa, Universitat de Barcelona, Pl. del Doctor Robert 5, 08221 Terrassa, Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Av. Monforte de Lemos 3-5, Pabellón 11, 28029 Madrid, Spain
3. Internal Medicine and Infectious Diseases Department, Hospital Universitari Mútua Terrassa, Universitat de Barcelona, Pl. del Doctor Robert 5, 08221 Terrassa, Spain
4. ICO-ICS Multicenter Hospital Tumor Registry Service, Catalan Institute of Oncology, Gran via de l’Hospitalet 199-203, 08908 L’Hospitalet de Llobregat, Spain
5. Department of Clinical Sciences, School of Medicine, Universitat de Barcelona, Bellvitge Campus, Carrer de la Feixa Llarga, s/n, 08907 L’Hospitalet de Llobregat, Spain
6. Cancer Epidemiology, Bellvitge Biomedical Research Institute (IDIBELL), Gran via de l’Hospitalet 199, 08908 L’Hospitalet de Llobregat, Spain
7. Nursing Department of Public Health, Mental Health and Maternal and Child, School of Medicine, Universitat de Barcelona, Bellvitge Campus, Carrer de la Feixa Llarga, s/n, 08907 L’Hospitalet de Llobregat, Spain
8. Department of Biochemistry, Hospital de Sant Joan de Déu, Passeig Sant Joan de Déu 2, 08950 Esplugues de Llobregat, Spain
9. Department of Paediatrics, Hospital Universitari Mútua Terrassa, Universitat de Barcelona, Pl. del Doctor Robert 5, 08221 Terrassa, Spain
10. Catlab, Department of Immunology, Vial St Jordi s/n, 08232 Viladecavalls, Spain