1. Department of Medicine Mayo Clinic Rochester MN USA
2. Division of Endocrinology and Metabolism, the UCSF Metabolic Bone Clinic, the Eli and Edythe Broad Institute for Regeneration Medicine, and the Institute of Human Genetics, Department of Medicine, and the UCSF Program in Craniofacial Biology University of California‐San Francisco San Francisco CA USA
3. Departments of Orthopaedic Surgery & Medicine, The Center for Research in FOP and Related Disorders, Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
4. Département de Génétique Institut IMAGINE and Hôpital Universitaire Necker‐Enfants Malades Paris France
5. Department of Clinical Sciences, Pediatrics Umeå University Umeå Sweden
6. Faculty of Life Sciences and Medicine King's College London London UK
7. Genomics England Ltd London UK
8. Department of Medicine and Joint Department of Medical Imaging, University Health Network University of Toronto Toronto ON Canada
9. Pediatric Rheumatology Section, Department of Pediatrics Hospital Italiano de Buenos Aires Buenos Aires Argentina
10. Centro de Pesquisa Clinica Hospital Israelita Albert Einstein São Paulo Brazil
11. Department of Rehabilitation Medicine The University of Tokyo Hospital Tokyo Japan
12. Hospital for Sick Children Toronto ON Canada
13. Centre for Metabolic Bone Disease Royal National Orthopaedic Hospital Stanmore UK
14. Children's Hospital of Philadelphia, Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
15. Ipsen Cambridge MA USA