1. The Curtis National Hand Center, Department of Orthopaedic Surgery, Baltimore, MD 21218, USA
2. San Antonio Uniformed Services Health Consortium, JBSA Fort Sam Houston, San Antonio, TX 78234, USA
3. Womack Army Medical Center, Department of Orthopaedic Surgery, Fort Liberty, NC 28310, USA
4. Tahoe Orthopedics & Sports Medicine, University of Nevada Reno, Reno, NV 96150, USA