Affiliation: | 1. Department of Orthopaedic Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Texas, U.S.A.;2. The San Antonio Orthopaedic Group, San Antonio, Texas, U.S.A.;3. Cape Shoulder Institute and Department of Anatomy and Histology, Faculty of Health Sciences, University of Stellenbosch, Western Cape, South Africa;4. Scott and White Clinic, Temple, Texas, U.S.A. |