1. Coordinating Center for Alpha1‐Antitrypsin Deficiency‐Related Liver Disease of the European Reference Network (ERN) “Rare Liver” and the European Association for the Study of the Liver (EASL) Registry Group “Alpha1‐Liver” Aachen Germany
2. Medical Clinic III Metabolic diseases and Intensive Care University Hospital RWTH Gastroenterology Aachen Germany
3. Department of General Surgery, 3rd Faculty of Medicine Charles University and Hospital Kralovske Vinohrady Prague Czech Republic
4. Center for Cardiovascular and Transplant SurgeryBrno Czech Republic