1. Craniofacial and Skeletal Diseases Branch, National Institutes of Dental and Craniofacial Research, Bethesda, Maryland.
2. Department of Dermato-Venereology and Dermato-Oncology, Semmelweis University, Budapest, Hungary.
3. Department of Hematology and Stem Cell Transplantation, Szent Laszlo Hospital, Budapest, Hungary.