1. Department of Plastic and Reconstructive Surgery, Polytechnical University, School of Medicine, Ancona, Italy
2. Ulcer and Wound Unit of Primary Care and Diabetic Foot Multidisciplinary Unit, OSI Bilbao-Basurto, Basque Health Service (Osakidetza), Bilbao, Spain
3. Portuguese Institute of Oncology (IPOLFG), Lisbon, Portugal
4. Department of Dermatology, Centro Hospitalar e Universitário de Coimbra, Portugal
5. Smith+Nephew, Hull, UK