1. Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht, The Netherlands
2. Department of Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands
3. Department of Gastroenterology and Hepatology, Isala Hospital, Zwolle, The Netherlands
4. Department of Gastroenterology and Hepatology, Ikazia Hospital, Rotterdam, The Netherlands
5. Department of Gastroenterology and Hepatology, IJsselland Hospital, Capelle a/d IJssel, The Netherlands
6. Department of Gastroenterology and Hepatology, Deventer Hospital, Deventer, The Netherlands
7. Department of Gastroenterology and Hepatology, St. Antonius Hospital, Nieuwegein, The Netherlands
8. Achmea Health Care, Leiden, The Netherlands
9. Gupta Strategists, Ophemert, The Netherlands