1. Laboratory of Marine Drugs, School of Earth and Environmental Sciences, Seoul National University, NS-80, Seoul 08826, Korea
2. Research Institute of Oceanography, Seoul National University, NS-80, Seoul 08826, Korea
3. College of Pharmacy, Yeungnam University, Gyeongsan 38541, Korea
4. Interdisciplinary Graduate Program in Genetic Engineering, Seoul National University, NS-80, Seoul 08826, Korea