Affiliations

• ¹ Department of Orthopaedics and Traumatology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland.
• ² Department of Surgical Sciences, Section of Orthopaedics, Uppsala University, Uppsala, Sweden.
• ³ Department of Hand Surgery, Tampere University Hospital, Tampere, Finland.
• ⁴ Centre for Statistics in Medicine, Botnar Research Centre, University of Oxford, Oxford, UK.
• ⁵ Departments of Anesthesiology, Pharmacology, and Therapeutics and Medicine, University of British Columbia, Vancouver, BC, Canada.
• ⁶ Faculty of Pharmacy and Charles Perkins Centre, University of Sydney, Sydney, Australia.
• ⁷ Drug Information Unit, Navarre Regional Health Service, Pamplona, Navarre, Spain.
• ⁸ Department of Health, Government of Navarre, Pamplona, Navarre, Spain.
• ⁹ UKK Institute for Health Promotion Research, Tampere, Finland.