1. Department of Medicine, Therapeutic Protein Engineering Lab, College of Medicine, Chung-Ang University, Seoul, South Korea
2. Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun, South Korea
3. Department of Stem Cell Biology, Konkuk University School of Medicine, Konkuk University, Seoul, South Korea
4. Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Colney, Colney, Norwich, UK