1. Institute of Human Genetics; Medical Center - University of Freiburg; Faculty of Medicine; University of Freiburg; Freiburg Germany
2. Department of Dermatology; Reference Center for Rare Skin Diseases MAGEC; Saint Louis Hospital AP-HP; Paris France
3. Institute of Pathology IPH; University Clinic Heidelberg; Heidelberg Germany
4. Department of Dermatology; Medical Center - University of Freiburg; Faculty of Medicine; University of Freiburg; Freiburg Germany
5. Department of Dermatology; University Hospital Münster; Münster Germany
6. Department of Dermatology; Charité Universitätsmedizin Berlin; Child Dermatology and Hair Competence Centre; Berlin Germany
7. Department of Medical Sciences; Section of Dermatology; University Hospital; Uppsala Sweden
8. Department of Neonatology; Christian Children's Hospital; Osnabrück Switzerland
9. Department of Dermatology; University Hospital Zürich; Zürich Switzerland
10. Institute of Molecular Biosciences; University of Graz; Graz Austria
11. Department of Dermatology and Pathology; Reference Center for Rare Skin Diseases MAGEC; Hôpital Necker Enfants Malades; Paris France