1. Department of Orthopedic Surgery, Illinois Bone & Joint Institute, Morton Grove, IL, USA
2. Department of Orthopedic Surgery, Advocate Lutheran General Hospital, Park Ridge, IL, USA
3. Department of Orthopedic Surgery, NorthShore University HealthSystem – Skokie Hospital, Skokie, IL, USA
4. Intellijoint Surgical, Waterloo, ON, Canada