1. Department of Gastroenterology and Hepatology; Amsterdam UMC, Location VUmc; Amsterdam The Netherlands
2. Department of Epidemiology and Biostatistics; Amsterdam UMC, Location VUmc; Amsterdam The Netherlands
3. Department of Gastroenterology and Hepatology; Leiden University Medical Center; Leiden The Netherlands
4. Department of Gastroenterology and Hepatology; Radboud University Medical Center; Nijmegen The Netherlands
5. Department of Gastroenterology and Hepatology; Sint Antonius Hospital; Nieuwegein The Netherlands
6. Department of Gastroenterology and Hepatology; Rijnstate Hospital; Arnhem The Netherlands