1. Exercise Science Research Center, University of Arkansas at Fayetteville, Fayetteville, AR, United States of America
2. Department of Behavioral and Health Sciences, Baker University, Baldwin City, KS, United States of America
3. Department of Psychology, George Mason University, Fairfax, VA, United States of America
4. Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden