1. Universidad Complutense de Madrid, Ciberes, IISGM Hospital General Universitario Gregorio Marañón Madrid Spain
2. Department of Medical Sciences University of Turin Turin Italy
3. Department of Laboratory Diagnostics, Section of Microbiology Military Institute of Medicine Warsaw Poland
4. Centroderm Clinik Wuppertal Germany
5. Dermatology Department La Sapienza University Rome Italy