*Department of Orthopaedics, Ryhov Hospital, Jönköping, Sweden; and
†Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
‡Neuro-orthopedic Center, Ryhov Hospital, Jönköping, Sweden
§Department of Medical and Health Sciences, Division of Physiotherapy, Faculty of Health Sciences, Linköping University, Linköping, Sweden
¶Department of Neuroscience, Neurosurgery, Uppsala University Hospital, Uppsala, Sweden
‖Department of Physiotherapy, School of Health, Care and Social Welfare, Mälardalen University, Västerås, Sweden; and
**Spine Center Göteborg, Gothenburg, Sweden; and
††Department of Orthopaedics, Institute of Clinical Sciences at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Address correspondence and reprint requests to Markus Engquist, MD, Department of Orthopaedics, Ryhov Hospital, S-551 85 Jönköping, Sweden; E-mail: [email protected]
Acknowledgment date: April 4, 2012. First revision date: September 2, 2012. Second revision date: May 8, 2013. Acceptance date: June 6, 2013.
The device(s)/drug(s) is/are FDA approved or approved by corresponding national agency for this indication.
Medical Research Council of Southeast Sweden funds were received to support this work.
Relevant financial activities outside the submitted work: payment for writing or reviewing the manuscript and consultancy.
