Published on in Vol 19 , No 12 (2017) :December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9255, first published
.

1 Orthopaedics, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, SE
2 Arthro Therapeutics AB, Malmö, SE
3 Orthopaedics, Department of Clinical Sciences Lund, Skåne University Hospital, Lund University, Lund, SE