1. Institute of Health Innovations and Outcomes Research, The Feinstein Institutes for Medical Research Manhasset New York USA
2. Surgery Working Group, Society of Junior Doctors Athens Greece
3. Thoracic Surgery Department University College London Hospitals, NHS Foundation Trust London UK
4. Aristotle University of Thessaloniki School of Medicine Thessaloniki Greece
5. The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Northwell Health Hempstead New York USA
6. Department of Vascular Surgery The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Northwell Health New Hyde Park New York USA