1. Department of Kinesiology, University of Wisconsin-Madison, Madison, WI 53706, USA
2. Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
3. Department of Kinesiology, University of Maryland, College Park, MD 20742, USA
4. Exercise Biochemistry Laboratory, Department of Exercise Science and Health Promotion, Florida Atlantic University, Boca Raton, FL 33431, USA