1. Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Chunchon 24341, Korea
2. Department of Pharmacology, College of Medicine, Chung-Ang University, Seoul 06974, Korea
3. Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine and Bio/Molecular Informatics Center, Konkuk University, Seoul, Korea
4. Department of Pharmacology, Osaka University Graduate School of Dentistry, Suita, 565-0871, Japan