1. Department of Anaesthesiology and Pain Management University of Texas Southwestern Medical Center Dallas TX USA
2. Program Director of Regional Anaesthesia, Department of Anaesthesia University Hospital of Lausanne and University of Lausanne Lausanne Switzerland
3. Department of Cardiovascular Sciences, Section Anaesthesiology KU Leuven and University Hospital Leuven Belgium
4. Section for Surgical Pathophysiology, Rigshospitalet Copenhagen University Copenhagen Denmark
5. Gastrointestinal Surgery, Nottingham Digestive Diseases Centre, Division of Translation Medical Sciences, School of Medicine University of Nottingham, Queen's Medical Centre Nottingham UK
6. Department of Surgery, Perelman School of Medicine University of Pennsylvania Philadelphia PA USA