1. Department of Bioengineering; University of Pennsylvania; 240 Skirkanich Hall, 210 South 33rd St Philadelphia Pennsylvania 19104
2. Department of Biomedical Engineering; University of Delaware; 161 Colburn Lab, 150 Academy Street Newark Delaware 19716
3. Department of Orthopaedic Surgery; University of Pennsylvania; 424 Stemmler Hall, 36th St & Hamilton Walk Philadelphia Pennsylvania 19104
4. Translational Musculoskeletal Research Center; Corporal Michael J. Crescenz Veterans Affairs Medical Center; 3900 Woodland Ave Philadelphia Pennsylvania 19104