Chen, David J. MD; Caldera, Franklin E. DO, MBA; Kim, Woojin MD
From the Hospital of the University of Pennsylvania, Philadelphia (DJC); Physical Medicine and Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia (FEC); and Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia (WK).
All correspondence and requests for reprints should be addressed to: Franklin E. Caldera, DO, MBA, Physical Medicine and Rehabilitation, Hospital of the University of Pennsylvania, 3400 Spruce St, 5 West Gates Bldg, Philadelphia, PA 19104.
Financial disclosure statements have been obtained, and no conflicts of interest have been reported by the authors or by any individuals in control of the content of this article.
doi: 10.1097/PHM.0b013e318296dbcc