1. Warsaw University of Life Sciences – SGGW, Warsaw, Poland
2. University of Arizona, Tucson, USA
3. Siberian Federal University, Krasnoyarsk, Russia
4. University of KwaZulu-Natal, Durban, South Africa
5. Jouzour Loubnan Association, Beirut, Lebanon
6. Perm State University, Perm, Russia
7. Khakas Technical Institute, Siberian Federal University, Abakan, Russia
8. Université catholique de Louvain, Louvain-la-Neuve, Belgium
9. Department of Forestry, Mizoram University, Aizawl, India