“Marin Dracea” National Institute for Research and Development in Forestry, Bucharest, Romania

Nanjing Forestry University, Jiangsu Province, China

Isparta University of Applied Sciences, Isparta, Turkey

Transilvania University of Brasov, Brasov, Romania

Transilvania University of Brasov, Brasov, Romania

​University of British Columbia, Vancouver, Canada

Swedish University of Agricultural Sciences, Umeå, Sweden

Oregon State University, Oregon, USA

Seoul National University, Seoul, South Korea

Swedish University of Agricultural Sciences, Uppsala, Sweden

Czech University of Life Sciences, Prague, Czech Republic

“Marin Dracea” National Institute for Research and Development in Forestry, Bucharest, Romania

Czech University of Life Sciences, Prague, Czech Republic

ITC Limited, Kolkata, India

Slovenian Forestry Institute, Ljubljana, Slovenia