1 Division of Hand, Plastic and Aesthetic Surgery, LMU University Hospital, LMU Munich, München, Germany.
2 Department of Plastic, Reconstructive, Aesthetic & Hand Surgery, University Hospital Basel, Basel, Switzerland.
3 Department of Plastic, Reconstructive and Aesthetic Surgery and Hand Surgery, Dokuz Eylul Universitesi, Izmir, Turkey.
4 Department of Plastic and Reconstructive Surgery, Marche Polytechnic University, Ancona, Italy.
5 Department of Plastic Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Goteborg, Sweden.
6 Department of Plastic Reconstructive and Aesthetic Surgery, School of Medicine University of Zagreb, University Hospital Dubrava, Zagreb, Croatia.
7 Clinic of Plastic Surgery, University of Medicine Iuliu Hatieganu, Cluj-Napoca, Romania.
8 Department of Plastic and Reconstructive Surgery, Nottingham University Hospitals, United Kingdom, Nottingham, United Kingdom of Great Britain and Northern Ireland.
9 Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, University of Graz, Graz, Austria.
10 Clinique Médipôle Garonne, 45, rue de Gironis, 31036 Toulouse, France.
11 Department of Reconstructive Plastic Surgery, Karolinska University Hospital Department of Reconstructive Plastic Surgery, Stockholm, Sweden.
12 Department of Plastic & Reconstructive Surgery, Beaumont Hospital, Dublin, Ireland, Dublin, Ireland.
13 Plastic Surgery, American Medical Centre, Cyprus, Cyprus.
14 Department of Orthopedic Surgery, Monica Hospital, Antwerpen, Belgium.
15 Department of Molecular Medicine and Surgery, Department of Plastic and Reconstructive Surgery, Karolinska University Hospital, Karolinska Institute, Sweden, Stockholm, Sweden.
16 Plastic Surgery Unit, Sant'Andrea Hospital, School of Medicine and Psychology, University of Rome La Sapienza, Rome, Italy.
17 Department of Plastic Surgery, Tampere University, Tampere, Finland.
18 Department of Plastic Surgery, Helsinki University Hospital University of Helsinki, Helsinki, Finland.
19 Department of Plastic Surgery, Odense University Hospital, Odense, Denmark.