1. Canniesburn Plastic Surgery Unit & Scottish National Brachial Plexus Injury Service; Glasgow Royal Infirmary; Glasgow UK
2. School of Molecular Biosciences; University of Glasgow; Glasgow UK
3. Aberdeen Royal Infirmary; University of Aberdeen; Aberdeen UK
4. Department of Integrative Medical Biology, Section for Anatomy; Umeå University; Umeå Sweden
5. Department of Translational Medicine - Hand Surgery; Lund University; Malmö Sweden
6. Department of Hand Surgery; Skåne University Hospital; Malmö Sweden
7. Department of Surgical and Perioperative Sciences; Umeå University; Umeå Sweden
8. School of Medicine, Dentistry and Nursing; University of Glasgow; Glasgow UK