1. Department of Natural Resources and Environmental Sciences, University of Illinois at Urbana-Champaign, Champaign, IL, USA
2. Illinois Department of Natural Resources, Oregon, IL, USA
3. Department of Recreation, Sport and Tourism, University of Illinois at Urbana-Champaign, Champaign, IL, USA
4. Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, Champaign, IL, USA
5. Department of Agricultural Leadership, Education, and Communications, Texas A&M University, College station, TX, USA