1. Department of Internal Medicine AP‐HP Tenon Hospital Sorbonne University Paris France
2. Department of Internal Medicine Angers Hospital Angers France
3. Department of Genetic APHP, Trousseau Hospital Sorbonne University Paris France
4. Department of histology APHP Saint‐Antoine Hospital Paris France
5. Department of Gastroenterology Tenon Hospital Paris France
6. Service de Médecine Interne Hôpital du Sacré‐Cœur de Montréal Montréal Québec Canada