1. Academic Plastic Surgery Group, Barts and The London School of Medicine and Dentistry, London, UK.
2. Microsurgical Training and Research Centre, Centre for Biomedical Technology and Research, Linz, Austria.
3. Microsurgical Training and Research Laboratory, Columbia University, New York, USA.
4. Department of Reconstructive Microsurgery, Orthopaedic and Trauma Centre-CTO, Turin, Italy.
5. Department of Plastic Reconstructive Surgery, Hanyang University Hospital, Seoul, Korea.