1. The Department ofDermatology, Humboldt University, Berlin, Bioskin Institute for Dermatological Research, Hamburg, Germany, Dermatology Clinic, Mouscron, Belgium, Dermatology Clinic, Bydgoszcz, Wroclaw, Poland, Dermatology Clinic, Wroclaw, Poland, Dermatology Clinic, Morningside, Gauteng, South Africa, Department of Microbiology, Hospital 12 de Octubre, Madrid, Spain