1. Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, United States
2. Department of Pharmacology, Vanderbilt University, Robinson Research, Nashville, Tennessee, United States
3. Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, United States
4. Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, United States