1. Musculo‐Skeletal Research Laboratory, Department of Biomedical EngineeringStony Brook UniversityStony BrookNew YorkUSA
2. Tissue Repair Group, Pfizer ResearchCambridgeMassachusettsUSA
3. Orthopaedic Science Laboratories, Department of Orthopedics and Sports MedicineUniversity of WashingtonSeattleWashingtonUSA