1. Department of Dermatology; Tel Aviv Sourasky Medical Center; Tel Aviv 642395 Israel
2. Department of Human Molecular Genetics & Biochemistry; Sackler Faculty of Medicine; Tel Aviv University; Ramat Aviv 69978 Israel
3. Department of Dermatology and GROW School for Oncology and Developmental Biology; Maastricht University Medical Centre; Maastricht 6200 The Netherlands
4. Department of Clinical Genetics; Maastricht University Medical Centre; Maastricht 6200 The Netherlands