1. St John's Institute of Dermatology; King's College London; Guy's Hospital; Great Maze Pond London SE1 9RT U.K
2. Department of Dermatology; Nagoya University Graduate School of Medicine; Nagoya Japan
3. As'ad Al-Hamad Dermatology Center; Al-Sabah Hospital; Kuwait
4. The National Diagnostic EB Laboratory; Viapath, St Thomas’ Hospital; London U.K
5. Department of Genetics and Molecular Medicine; King's College London; Guy's Hospital; Great Maze Pond London SE1 9RT U.K