1. Department of Epidemiology GROW—School for Oncology and Developmental Biology, Maastricht University Maastricht The Netherlands
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine Maastricht University Medical Centre Maastricht The Netherlands
3. GROW—School for Oncology and Developmental Biology, NUTRIM, School for Nutrition, Toxicology and Metabolism Maastricht University Maastricht The Netherlands
4. Department of Clinical Epidemiology VieCuri Medical Centre Venlo The Netherlands