Affiliation: | 2. Translational Musculoskeletal Research Center, Philadelphia VA Medical Center, Philadelphia, PA, United States;3. McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, United States;4. Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA, United States;6. Comparative Orthopaedic Research Laboratory, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA, United States;5. Penn State Hershey Bone and Joint Institute, Pennsylvania State University, Hershey, PA, United States |