1. College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
2. Division of Genetics, Department of Medicine, Brigham & Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
3. Department of Culinary Art and Food Service Management, Yuhan University, Bucheon 422-749, Republic of Korea
4. Department of Life Science, Gachon University, Sungnam, Republic of Korea
5. Department of Life Science, Chung-Ang University, Seoul, Republic of Korea