- Correspondence to Dr Kevin C Miller, Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, NDSU Dept #2620, PO Box 6050, Fargo ND 58108-6050, USA;
- Received June 26, 2012
- Revised October 8, 2012
- Accepted November 10, 2012
- First published December 6, 2012.
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