1 Department of Dermatology, Erasmus MC, Rotterdam, the Netherlands. [email protected].
2 Institute of Epidemiology and Preventive Medicine, University of Regensburg, Regensburg, Germany.
3 Department of Medicine & Dermatology, Section of Dermatology and Venereology, University of Verona, Verona, Italy.
4 Departments of Dermatology, Preventive Medicine and Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, U.S.A.
5 Department of Quality Measures and Research, Clalit Health Services, Tel Aviv, Israel.
6 Department of Dermatology, CHU de Nantes, Nantes, France.
7 Department of Dermatology, Erasmus MC, Rotterdam, the Netherlands.
8 Department of Dermatology, Henri Mondor Hospital, Créteil, France.