1. Arthritis and Arthroplasty Design Group; Department of Orthopaedic Surgery; University of Pittsburgh; Pittsburgh Pennsylvania 15219
2. Department of Ophthalmology; University of Pittsburgh; Pittsburgh Pennsylvania
3. Department of Orthopaedics and Rehabilitation; Pennsylvania State University; Hershey Pennsylvania
4. Department of Pathology, College of Medicine; Pennsylvania State University; Hershey Pennsylvania
5. Department of Chemical Engineering; Pennsylvania State University; University Park Pennsylvania
6. Department of Orthopaedic Surgery; University of Pittsburgh; Pittsburgh Pennsylvania
7. The Bone and Joint Center; Magee Womens Hospital of the University of Pittsburgh Medical Center; Pittsburgh Pennsylvania
8. Department of Orthopaedic Surgery; Department of Bioengineering, and Clinical and Translational Science Institute; University of Pittsburgh; Pittsburgh Pennsylvania
9. Department of Biomedical Engineering; Carnegie Mellon University; Pittsburgh Pennsylvania