1. Department of Plastic, Reconstructive Surgery and Hand Surgery, Erasmus Medical Center, Rotterdam, The Netherlands
2. Hand and Peripheral Nerve Injury Service, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
3. Department of Plastic, Reconstructive Surgery and Hand Surgery, Amsterdam UMC, Amsterdam, the Netherlands
4. Department of Vascular Surgery, Birmingham Heartlands Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK