1 Division of Infectious Disease, Department of Internal Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
2 University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
3 Center for Research on Health Care Data Center, Division of General Internal Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
4 Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
5 The Bone and Joint Center, Magee Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
6 Arthritis and Arthroplasty Design Group, the Bone and Joint Center, Magee Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
7 Department of Orthopedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
8 Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.