Affiliation: | 1. Department of Gastroenterology and Endocrinology, University Medical Center, Georg‐August‐Universit?t, G?ttingen, Germany;2. Department of Pathology, University Medical Center, Georg‐August‐Universit?t, G?ttingen, Germany;3. Department of Genetic Epidemiology, University Medical Center, Georg‐August‐Universit?t, G?ttingen, Germany |