1. Department of Plastic and General Surgery; Turku University Hospital; Turku Finland
2. Department of Surgery; Welfare District of Forssa; Forssa Finland
3. Department of Plastic Surgery; Jiménez Diaz Foundation and the Autonomous University of Madrid; Madrid Spain
4. Department of Orthopaedics and Traumatology; Turku University Hospital and the University of Turku; Turku Finland