[1] Charite, Dept Dermatol & Allergy, D-13353 Berlin, Germany
[2] Univ Sheffield, Sch Med, Acad Unit Biomed Genet Dermatol, Sheffield, S Yorkshire, England
[3] Sahlgrens Univ Hosp, Dept Dermatol, Gothenburg, Sweden
[4] Poznan Univ Med Sci, Dept Neonatal Infect Dis, Poznan, Poland
[5] Hosp Doce Octubre, Dept Dermatol, Madrid, Spain
[6] Osped Maggiore Policlin Mangiagalli & Regina Elen, Dept Dermatol, Inst Dermatol Sci, Milan, Italy