1. Ildong Bioscience, Pyeongtaek 17957, Republic of Korea
2. Carl R. Woese Institute for Genomic Biology, the University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
3. School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
4. Ildong Pharmaceutical, Hwaseong 18849, Republic of Korea