BY CHRISTOPHER K. JONES, M.D.[dagger], AND JAMES A. NUNLEY, M.D.[dagger], DURHAM, NORTH CAROLINAInvestigation performed at the Division of Orthopaedic Surgery, Duke University Medical Center, Durham*No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. No funds were received in support of this study.(JONES, NUNLEY) Division of Orthopaedic Surgery, Duke University Medical Center, Box 2923, Durham, North Carolina 27710. E-mail address for Dr. Nunley: email@example.com.