- Received November 30, 2008, and in revised form March 3, 2009.
- Accepted for publication March 3, 2009.
- Reprints: Chung-Che Chang, MD, PhD, Weill Medical College of Cornell University, 6565 Fannin St, M227, Houston, TX 77030. E-mail: .
- Chung-Che Chang and Yayan Chen contributed equally to this paper.
- Supported by a grant from United States Anti-Doping Agency (USADA).
- First published December 11, 2015.
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