1. RDA Research Associate, Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Haman 52054, Korea
2. Senior Researcher, Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Haman 52054, Korea
3. Researcher, Protected Horticulture Research Institute, National Institute of Horticultural and Herbal Science, Haman 52054, Korea
4. Researcher, Vegetable Research Division, National Institute of Horticultural and Herbal Science, Wanju 55365, Korea