Affiliation: | 1. Resident Physician, Department of Orthopedics, Division of Foot & Ankle Surgery, West Penn Hospital, Foot & Ankle Institute, 4800 Friendship Avenue N1, Pittsburgh, PA 15224, USA;2. West Penn Hospital Foot & Ankle Surgery, Section Chief of Podiatry, Department of Orthopedic Surgery, Allegheny Health Network, 4800 Friendship Avenue N1, Pittsburgh, PA 15224, USA |