[1] North Carolina State Univ, Dept Pk Recreat & Tourism Management, Coll Nat Resources, Campus Box 8004, Raleigh, NC 27695 USA
[2] North Carolina State Univ, Ctr Human Hlth & Environm, Campus Box 8004, Raleigh, NC 27695 USA
[3] Washington Univ, Brown Sch, Prevent Res Ctr St Louis, Campus Box 1196,One Brookings Dr, St Louis, MO 63130 USA
[4] Univ Arkansas, Agr Stat Lab, Fayetteville, AR 72701 USA
[5] Washington Univ, Sch Med, Dept Surg, Div Publ Hlth Sci, 660 S Euclid Ave,Campus Box 8100, St Louis, MO 63110 USA
[6] Med Univ Vienna, Ctr Publ Hlth, Dept Epidemiol, Kinderspitalgasse 15,1st Floor, A-1090 Vienna, Austria
[7] BJC HealthCare, St Louis, MO USA
[8] North Carolina State Univ, Dept Pk Recreat & Tourism Management, Campus Box 8000, Raleigh, NC 27695 USA
[9] North Carolina State Univ, Coll Nat Resources, Ctr Geospatial Analyt, Campus Box 8000, Raleigh, NC 27695 USA
[10] Washington Univ, Sch Med, Dept Surg, Prevent Res Ctr St Louis,Brown Sch, Campus Box 1196,One Brookings Dr, St Louis, MO 63130 USA
[11] Washington Univ, Sch Med, Alvin J Siteman Canc Ctr, Campus Box 1196,One Brookings Dr, St Louis, MO 63130 USA