[1
]
Faculty of Medicine and Health, School of Health and Medical Sciences, Department
of Surgery, Örebro University, Örebro, Sweden.
[2
]
Royal Surrey County National Health Service Foundation Trust, University of Surrey,
Guildford, England3Department of Anesthesiology, Virginia Commonwealth University
School of Medicine, Richmond.
[3
]
Clinical Surgery, School of Clinical and Surgical Sciences, University of Edinburgh,
Royal Infirmary, Edinburgh, Scotland.