1. Medical Faculty – SkopjeUniversity Ss Cyril and Methodius of Skopje Skopje Republic of North Macedonia
2. Research Centre for Genetic Engineering and Biotechnology “Georgi D. Efremov”, Macedonian Academy of Sciences and Arts Skopje Republic of North Macedonia
3. Department of Orthopaedic Surgery, Center for Research in FOP & Related DisordersPerelman School of Medicine, The University of Pennsylvania Philadelphia Pennsylvania
4. Department of Genetics, Perelman School of MedicineThe University of Pennsylvania Philadelphia Pennsylvania
5. Department of MedicinePerelman School of Medicine, The University of Pennsylvania Philadelphia Pennsylvania