1. Department of Cardiac Surgery European Medical School Oldenburg‐Groningen, Carl von Ossietzky University Oldenburg Oldenburg Germany
2. International Thoracic and Cardiovascular Research Association, Website: itcvr.com
3. Division of Cardiovascular Surgery of Pronto Socorro Cardiológico de Pernambuco—PROCAPE University of Pernambuco Recife Brazil
4. E.A. Vagner Perm State Medical University Perm Russian Federation
5. School of Medicine, Faculty of Health University of Witten Herdecke Witten Germany
6. Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen University Hospital of Essen, University Duisburg‐Essen Essen Germany