1. Dermatology Unit Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
2. Department of Dermatology and Cutaneous Surgery, Miller School of Medicine University of Miami Miami Florida USA
3. Department of Dermatology, Faculty of Medicine Universidad de Chile Santiago Chile
4. Department of Dermatology, School of Medicine Pontificia Universidad Catolica de Chile Santiago Chile
5. Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues Santiago Chile
6. Fredric Brandt Endowed Professor of Dermatology ‐ Mille School of Medicine University of Miami Miami Florida USA
7. Private Dermatology Practice Bellinzona/Lugano Switzerland