1. Department of Clinical and Experimental Medicine; Linköping University; Linköping; Sweden
2. Department of Clinical and Experimental Medicine; Linköping University, Department of Plastic Surgery, Hand Surgery, and Burns; County Council of Östergötland; Linköping; Sweden
3. Department of Clinical and Experimental Medicine; Linköping University, Department of Anesthesia and Intensive care; County Council of Östergötland; Linköping; Sweden