1. Department of Dermatology; University of Colorado School of Medicine; Aurora CO U.S.A.
2. Department of Pediatrics; University of Colorado School of Medicine; Aurora CO U.S.A.
3. Department of Biostatics and Informatics; Colorado School of Public Health; University of Colorado Denver; Aurora CO U.S.A.
4. Section of Dermatology; The Hospital for Sick Children and University of Toronto; Toronto ON Canada
5. The Epidermolysis Bullosa Center; Division of General and Community Pediatrics; Cincinnati Children's Hospital; Cincinnati OH U.S.A.
6. Department of Pediatrics; Division of Blood and Marrow Transplantation; University of Minnesota; Minneapolis MN U.S.A.