1. Department of Forestry and Environmental Conservation, Clemson University, Clemson, SC and University of Georgia, D.B. Warnell School of Forestry and Natural Resources, Athens, GA
2. University of Georgia, D.B. Warnell School of Forestry and Natural Resources, Athens, GA
3. Joseph W. Jones Ecological Research Center, Newton, GA
4. USDA Forest Service, Southern Research Station, Research Triangle Park, NC
5. USDA Forest Service, Forest Health Protection, Asheville, NC
6. USDA Forest Service, Southern Research Station, Athens, GA