1. University of Iowa Carver College of Medicine, Iowa City, IA, USA
2. Department of Orthopaedics and Rehabilitation, The University of Iowa Hospitals and Clinics, Iowa City, IA, USA
3. Division of Foot and Ankle Surgery, Rehabilitation Science and Technology, UPMC Mercy Center for Healing and Amputation Prevention & Comprehensive Foot and Ankle Center Mercy Health Center, Pittsburg, PA, USA