1. Graduate Student, Department of Horticulture Industry, Wonkwang University, Iksan 54538, Korea
2. Researcher, International Horticultural Research Center, Seoul 02024, Korea
3. Professor, Department of Agricultural Science, Korea National Open University, Seoul 03087, Korea
4. Senior Researcher, Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Rural Development Administration, Haman 52054, Korea
5. Professor, Cooperative Management Institute, Agricultural Cooperative University, 281 Seosamreung-gil, Deogyang-gu, Goyang-si, Gyeongi-do 10292, Korea
6. Professor, Department of Horticulture Industry, Wonkwang University, Iksan 54538, Korea
7. Director, International Horticultural Research Center, Seoul 02024, Korea