1 Paediatric Dermatology, Great Ormond Street Hospital for Children, London.
2 Paediatric Dermatology, Great Ormond Street Hospital for Children, London; Genetics and Genomic Medicine, UCL GOS Institute of Child Health, London; Mosaicism and Precision Medicine Laboratory, the Francis Crick Institute, London.
3 Genetics and Genomic Medicine, UCL GOS Institute of Child Health, London; Mosaicism and Precision Medicine Laboratory, the Francis Crick Institute, London.
4 North Thames Genomic Laboratory Hub, Great Ormond St Hospital for Children London.
5 Paediatric Dermatology, Great Ormond Street Hospital for Children, London; Genetics and Genomic Medicine, UCL GOS Institute of Child Health, London.
6 Paediatric Dermatology, Great Ormond Street Hospital for Children, London; Genetics and Genomic Medicine, UCL GOS Institute of Child Health, London; Mosaicism and Precision Medicine Laboratory, the Francis Crick Institute, London. Electronic address: v.kinsler@ucl.ac.uk.