1. Department of Rehabilitation Medicine The University of Tokyo Tokyo Japan
2. Department of Orthopaedic Surgery Kyushu University Fukuoka Japan
3. Department of Orthopaedic Surgery Aichi Children’s Health and Medical Center Obu Japan
4. Emergency Care Services Children’s Medical Center Kitakyushu City YAHATA Hospital Kitakyushu Japan
5. Division of Pathophysiology Research Center for Genomic MedicineSaitama Medical University SaitamaJapan
6. Project of Clinical and Basic Research for FOP Saitama Medical University Saitama Japan
7. Department of Oral and Maxillofacial Surgery The University of Tokyo Tokyo Japan
8. Department of Rehabilitation Teikyo University Tokyo Japan