1. Department of Life Science, Hanyang University, Seoul 133-791, Republic of Korea
2. South Sea Research Institute, Korea Institute of Ocean Science & Technology, Geoje 656-830, Republic of Korea
3. National Fisheries Research and Development Institute, Busan 619-705, Republic of Korea
4. Maritime Security Research Center, Korea Institute of Ocean Science & Technology, Ansan 426-744, Republic of Korea
5. Faculty of Marine Technology, Chonnam National University, San 96-1, Dundeok-dong, Yeosu 550-749, Republic of Korea