1. Neuropsychopharmacology and Toxicology Program, College of Pharmacy; Kangwon National University; Chunchon 24341 Republic of Korea
2. Research Administration Team; Seoul National University Bundang Hospital; Seongnam 13620 Republic of Korea
3. Department of Anatomy and Cell Biology, Medical School; Kangwon National University; Chunchon 24341 Republic of Korea
4. Department of Pharmacology, School of Pharmacy; Sungkyunkwan University; Suwon 16419 Republic of Korea
5. Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine; Konkuk University; Seoul 05029 Republic of Korea
6. Department of Pharmacology, College of Pharmacy; Chung-Ang University; Seoul 06974 Republic of Korea
7. Department of Anatomy, College of Medicine; Chung-Ang University; Seoul 06974 Republic of Korea
8. Department of Animal Science; Cornell University; Ithaca New York 14853 USA
9. Department of Pharmacology, College of Medicine; Chung-Ang University; Seoul 06974 Republic of Korea