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