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 Surgery, Brno, Czech Republic.