1. a Department of Health Education and Health promotion , University of Wisconsin-La Crosse , La Crosse , WI , 54601
2. b School of Applied Health and Educational Psychology , Oklahoma State University , Stillwater , OK , 74078
3. c Department of Psychology , University of North Texas , Denton , TX , 76203
4. d School of Applied Health and Educational Psychology , Oklahoma State University , Stillwater , OK , 74078