作者单位:Shriners Hospital for ChildrenMcGill UniversityMontreal,Canada[1]Skeletal Biology and Engineering Research Center (SBE)Department of Development and RegenerationKU[2]Geriatric MedicineUniversity Hospitals LeuvenLeuven,Belgium[3]Laboratory of Skeletal Cell Biology and Physiology (SCEBP)Department of Development and[4]