1. I Department of MedicineUniversity Medical Center Hamburg‐EppendorfHamburgGermany
2. European Reference Network for Hepatological DiseasesHamburgGermany
3. Erasmus University Medical CenterDepartment of Gastroenterology and HepatologyRotterdamthe Netherlands
4. Martin Zeitz Center for Rare diseasesUniversity Medical Center Hamburg‐EppendorfHamburgGermany