1. Department of Biological Sciences and Environmental Sciences Ph.D. Program; Wright State University, 3640 Colonel Glenn Hwy.; Dayton OH 45435 U.S.A.
2. Bartlett Tree Research Laboratories; Charlotte NC 28278 U.S.A.
3. Department of Plant Pathology; The Ohio State University, 2021 Coffey Rd.; Columbus OH 43210 U.S.A.
4. Warnell School of Forestry and Natural Resources; University of Georgia, 180 E. Green St.; Athens GA 30602 U.S.A.
5. Department of Entomology; The Ohio State University, Ohio Agricultural Research and Development Center, 1680 Madison Ave.; Wooster OH 44691 U.S.A.
6. The Davey Tree Expert Company, 1500 N. Mantua St.; Kent OH 44240 U.S.A.