1. Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, Busan 49111, Republic of Korea
2. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
3. Graduate School of Medical Science, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
4. Department of Marine Biotechnology, Korea University of Science and Technology, Deajeon 34113, Republic of Korea