1. Universitätskinderklinik Erlangen, Germany
2. Zentrum für Ektodermale Dysplasien
3. Department of Dermatology and Reference Center for Rare Skin Diseases (MAGEC); Université de Paris-Centre, Hôpital Necker – Enfants malades, France
4. Universitätsfrauenklinik Erlangen, Germany
5. Department of Biochemistry, University of Lausanne