1. Dermatology Department; Elias University Hospital; Carol Davila University of Medicine and Pharmacy; Bucharest Romania
2. Department of Dermatology; Medical University of Vienna; Vienna Austria
3. Non-Melanoma Skin Cancer Unit; Department of Dermatology and Venereology; Medical University of Graz; Graz Austria
4. Dermatology Department; Hopital Erasme; Universite Libre de Bruxelles; Bruxelles Belgium
5. Dermatology Research Centre; School of Medicine; Translational Research Institute; The University of Queensland; Brisbane Qld Australia
6. Dermatology Unit; Second University of Naples; Naples Italy
7. Social and Behavioral Sciences; Harvard T.H. Chan School of Public Health; Harvard University, Boston MA USA