1. Department of Forest Resources and Environmental Conservation, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
2. Rayonier, Inc. Forest Research Center, Yulee, FL, USA
3. Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, USA
4. Department of Forest Sciences, Universidade Federal de Lavras, Lavras, MG, Brazil
5. Cooperativa de Productividad Forestal. Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepción, Concepción, Chile