1. 1 Department of Biological Sciences, Auburn University, 101 Rouse Life Science Building, Auburn, Alabama 36849, USA
2. 2 Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
3. 3 Department of Population Health, University of Georgia, 589 D.W. Brooks Drive, Athens, Georgia 30602, USA
4. 4 School of Kinesiology, Auburn University, 301 Wire Road, Auburn, Alabama 36849, USA