1. Department of Dermatology, Venereology and Allergology; Academic Teaching Department of Medical University Innsbruck; Central Teaching Hospital Bolzano/Bozen; Bolzano/Bozen Italy
2. Department of Plastic, Aesthetic and Reconstructive Surgery; Hospital of St. John of God Salzburg; Paracelsus Medical University Salzburg; Salzburg Austria
3. University Department of Dermatology and Venereology; Medical University Innsbruck; Innsbruck Austria
4. Department of Dermatology; Hospital of Elisabethinen; Linz Austria
5. College of Health Care Professions; Bolzano/Bozen Italy