1. Department of Orthopaedic Surgery, Park Nicollet Methodist Hospital, St. Louis Park, MN, USA
2. Department of Orthopaedic Surgery, TRIA Orthopaedic Institute, Bloomington, MN, USA
3. Department of Neurology, Park Nicollet Struthers Parkinson’s Center, Minneapolis, MN, USA
4. HealthPartners, Bloomington, MN, USA
5. Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN, USA