1. Department of Clinical Science and Education, Karolinska Institutet, Stockholm, Sweden
2. Department of Orthopaedics and Rehabilitation, Unit of Occupational and Physical Therapy, Stockholm, Sweden
3. Department of Anaesthesiology and Intensive Care, Södersjukhuset, Stockholm, Sweden
4. Department of Molecular Medicine and Surgery, Unit of Surgical Care Science, Karolinska Institutet, Stockholm, Sweden