- Received May 24, 2010, and in revised form September 20, 2010.
- Accepted for publication September 20, 2010.
- Reprints: Peter Noel Van Buren, MD, University of Texas Southwestern Medical Center Dallas, 5323 Harry Hines Blvd, Dallas, TX 75390-8523. E-mail: .
- Supported by NIH grants from the National Institute of Diabetes, Digestive and Kidney Diseases (2-R01 DK6301001), NCRR General Clinical Research Center grants (M01-RR-00633 and CTSA UL1-RR-024982), K24 (DK00 2818), and CTRC.
- The authors have no conflicts of interest to disclose.
- First published December 15, 2015.
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