1. Jena University Hospital, Friedrich Schiller University, Institute of Human Genetics, D‑07747 Jena, Germany
2. Mother and Child Health Care Institute of Serbia ‘Dr Vukan Cupic’, 11070 Belgrade, Serbia
3. Medical School, University of Belgrade, 11000 Belgrade, Serbia
4. Department of Genetics and Cytology, Yerevan State University, 0025 Yerevan, Armenia
5. Laboratory of Cytogenetics and Genomics, Faculty of Medicine, University of Coimbra, 3000‑354 Coimbra, Portugal
6. ZytoVision, D‑27572 Bremerhaven, Germany