1. Department of Orthopaedic SurgeryUniversity of California at San FranciscoSan FranciscoCalifornia
2. Department of PhysiologyCollege of Osteopathic MedicineMichigan State UniversityEast LansingMichigan
3. Department of Orthopaedic SurgeryUniversity of MichiganAnn ArborMichigan
4. Department of BiologyEastern Washington UniversityCheneyWashington