1. Departments of Biomedical Engineering Mechanical Engineering, Chemistry, and Medicine Boston University Boston Massachusetts
2. Orthopaedics Research Department, Center for Advanced Orthopaedic Studies Beth Israel Deaconess Medical Center and Harvard Medical School Boston Massachusetts
3. Department of Applied Physics University of Eastern Finland Kuopio Finland
4. School of Mechanical, Medical and Process Engineering, Center for Biomedical Technologies Queensland University of Technology Brisbane Australia