1. Department of Plastic, Reconstructive and Aesthetic Surgery; Innsbruck Medical University; Innsbruck Austria
2. Department of Plastic and Aesthetic, Reconstructive and Hand Surgery, AGAPLESION Markus Hospital; Johann Wolfgang von Goethe University; Frankfurt Germany
3. Department of Plastic, Aesthetic and Reconstructive Surgery; Wilhelminenspital; Vienna Austria
4. Departmant of Handsurgery, Plastic and Aesthetic Surgery; Munich University Hospital, Ludwig-Maximilians-Universität; Munich Germany