1. Rayonier, P.O. Box 819, Yulee , FL 32041, USA
2. BioSylve Forest Science NZ Limited, 58 Huntington Dr, Hamilton 3210, New Zealand
3. Department of Forestry and Environmental Resources, North Carolina State University, Campus Box 8002, Raleigh , NC 27695-8002, USA
4. Genetics Research, Weyerhaeuser Co., 810 Whittington Ave, Hot Springs , AR 71901, USA
5. Department of Statistics, North Carolina State University, Campus Box 8203, Raleigh , NC 27695-8203, USA