Dr Park is Resident, Mr. Khurana is Medical Student, Dr. Ellman is Resident, and Dr. Singh is Assistant Professor, Department of Orthopaedic Surgery, Rush University Medical Center, 1725 W. Harrison Street, Suite 1063, Chicago, IL 60612; E-mail: kernsingh@hotmail.com.

Dr. Park, Mr. Khurana, and Dr. Ellman have disclosed that they have no significant relationships with or financial interests in any commercial organizations pertaining to this educational activity. Dr. Singh has disclosed that he is/was a consultant to Stryker Spine and Pioneer Spine.

All faculty and staff in a position to control the content of this CME activity have disclosed that they have no financial relationships with, or financial interests in, any commercial companies pertaining to this educational activity.

Lippincott CME Institute, Inc., has identified and resolved all faculty and staff conflicts of interest regarding this educational activity.