1. Department of Dermatology and Venereology Kepler University Clinic Linz Linz Austria
2. Department of Dermatology and Venereology Medical Faculty Johannes Kepler University Linz Linz Austria
3. Department of Dermatology Faculty of Biology and Medicine University of Lausanne Lausanne Switzerland
4. Department of Dermatology Hospital 12 de octubre Medical school University Complutense Madrid Spain