1. Skeletal Biotech Lab, The Hebrew University of Jerusalem–Hadassah Medical Campus, Ein Kerem, Jerusalem, Israel.
2. Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia.
3. Growth and Development Laboratory, Department of Orthopaedic Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania.
4. The Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York.
5. Stem Cell Therapeutics Research, Department of Surgery and International Stem Cell Institute, Cedars-Sinai Medical Center, Los Angeles, California.