1. Center for Musculoskeletal Research, School of Medicine and Dentistry, University of Rochester, Rochester, New York 14621, United States
2. Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, University of Nebraska, Omaha, Nebraska 68198, United States
3. Department of Computer Science, University of Rochester, Rochester, New York 14627, United States
4. Center for Musculoskeletal Research, School of Medicine and Dentistry, University of Rochester, Rochester, New York 14642, United States