1. Department of Gastroenterology and Hepatology, Radboud University, Medical Centre Nijmegen, Nijmegen, The Netherlands
2. Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands
3. Institute for Biomedical Research of Malaga (IBIMA), Virgen de la Victoria [Virgin of Victory] University Hospital and School of Medicine, Malaga, Spain
4. Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Unidad de Gestión Clínica de Aparato Digestivo; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd. Málaga, Spain)
5. Department of Transplantation Medicine; Division of Cancer Medicine, Surgery and Transplantation; Oslo University Hospital, Oslo, Norway
6. Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany