- Yill-Sung Park, Natural Resources Canada – Canadian Forest Service, Fredericton, New Brunswick, Canada. ypark@nrcan.gc.ca
- Heung-Kyu Moon, Korea Forest Research Institute (KFRI), Department of Forest Genetic Resources, Suwon, Korea. mhkmoon@korea.kr
- Mariano Toribio, Instituto Madrileño de Investigación y Desarrollo Rural, Agrario y Alimentario (IMIDRA), Alcalá de Henares (Madrid), Spain. mariano.toribio@madrid.org
- Jean-François Trontin, Technological Institute FCBA, Biotechnology and Advanced Sylviculture department, Domaine de l'Etançon, Nangis, France. jean-francois.trontin@fcba.fr