| Affiliation: | 1. Department of Orthopedic Surgery, Sparrow Hospital, Department of Orthopedic Surgery, Michigan State University, Michigan Orthopedic Center, 2815 South Pennsylvania Avenue Suite 204, Lansing, Michigan 48910, USA;2. Department of Orthopaedic Surgery, Wayne State University, Detroit Michigan and Michigan State University, East Lansing, MI, USA;3. Michigan Orthopedic Foot and Ankle Center, 44555 Woodward Avenue 48341, Pontiac, MI 48341, USA;4. Department of Orthopaedic Surgery, Duke University Medical Center, Box 3000, Durham, NC 27701, USA |
