1. Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, Texas, USA.
2. Center for Health & Nature, Houston Methodist Research Institute, Houston, Texas, USA.
3. Department of Recreation, Park and Tourism Sciences, Texas A&M University, College Station, Texas, USA.
4. School of Environmental and Forest Sciences, University of Washington, Seattle, Washington, USA.
5. School of Business, Northcentral University, San Diego, California, USA.
6. Department of Family and Community Health, Texas A&M AgriLife Extension, College Station, Texas, USA.
7. GP RED, Louisville, Colorado, USA.
8. Department of Health & Exercise Science, Beaver College of Health Sciences, Appalachian State University, Boone, North Carolina, USA.
9. Department of Anthropology, Northwestern University, Evanston, Illinois, USA.
10. Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana, USA.
11. School of Nursing, Oregon Health & Sciences University, Portland, Oregon, USA.
12. Department of Health Promotion, Education, and Behavior, University of South Carolina, Columbia, South Carolina, USA.