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4 Second Department of Dermatology and Venerology, Papageorgiou Hospital, Aristotle University School of Medicine, Thessaloniki, Greece.
5 Dermatology Department, Hôpital Bichât-Claude Bernard, Paris, France.
6 Private Dermatology Practice, Rennes, France.
7 University of Mississippi Medical Center, University of Alabama, Birmingham, AL, USA.
8 First Department of Dermatology and Venereology, University of Athens Medical School, Andreas Sygros Hospital, Athens, Greece.
9 Department of Dermatology, Inselspital, University of Bern, Bern, Switzerland.
10 Nail Unit, Andreas Syggros University Hospital, Athens, Greece.
11 Department of Dermatology, RIPAS Hospital, Bandar Seri Begawan, Brunei.
12 Dermatology Department of Specialized, Experimental and Diagnostic Medicine, University of Bologna, Bologna, Italy.
13 Department of Dermatology & Cutaneous Surgery, University of Miami, South Miami, FL, USA.
14 Hôpitaux Universitaires Saint Pierre & Brugmann, Hôpital Universitaire des enfants Reine-Fabiola, Université Libre de Bruxelles, Bruxelles, Belgium.
4 Second Department of Dermatology and Venerology, Papageorgiou Hospital, Aristotle University School of Medicine, Thessaloniki, Greece.
5 Dermatology Department, Hôpital Bichât-Claude Bernard, Paris, France.
6 Private Dermatology Practice, Rennes, France.
7 University of Mississippi Medical Center, University of Alabama, Birmingham, AL, USA.
8 First Department of Dermatology and Venereology, University of Athens Medical School, Andreas Sygros Hospital, Athens, Greece.
9 Department of Dermatology, Inselspital, University of Bern, Bern, Switzerland.
10 Nail Unit, Andreas Syggros University Hospital, Athens, Greece.
11 Department of Dermatology, RIPAS Hospital, Bandar Seri Begawan, Brunei.
12 Dermatology Department of Specialized, Experimental and Diagnostic Medicine, University of Bologna, Bologna, Italy.
13 Department of Dermatology & Cutaneous Surgery, University of Miami, South Miami, FL, USA.
14 Hôpitaux Universitaires Saint Pierre & Brugmann, Hôpital Universitaire des enfants Reine-Fabiola, Université Libre de Bruxelles, Bruxelles, Belgium.