1. Department of Orthopaedic Surgery, Dwight D. Eisenhower Army Medical Center, 300 E. Hospital Road, Fort Gordon, GA
2. Department of Operations Research, Naval Postgraduate School, 589 Dyer Rd, Monterey, CA
3. Department of Orthopaedic Surgery, University of South Carolina-Richland Palmetto, Columbia, SC
4. Department of Orthopaedic Surgery, Wake Forest Baptist Medical Center, Winston-Salem, NC
5. Assistant Professor Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush Medical College of Rush University, 1611 West Harrison Street, Chicago, IL