1. Department of Medical & Molecular Genetics, King's College London School of Medicine Guy's Hospital, Great Maze Pond London United Kingdom
2. Clinical Genetics Department Guy's and St Thomas' NHS Foundation Trust London United Kingdom
3. Department of Medicine The University of Hong Kong, Queen Mary Hospital Hong Kong
4. Cytogenetics Department Guy's and St Thomas' NHS Foundation Trust London United Kingdom
5. Department of Paediatrics Evelina Children's Hospital, Guy's & St Thomas' NHS Foundation Trust London United Kingdom
6. Institute of Animal Biochemistry and Genetics Slovak Academy of Sciences Ivanka pri Dunaji Slovakia