1 Department of Neuropharmacology, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan. Electronic address: ohsawa@phar.nagoya-cu.ac.jp.
2 Department of medical ethics, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
3 Neurosciene Division, Garvan Institute of Medical Research, St Vincent's Hospital, Darlinghurst, Sydney, Australia; School of Medical Sciences, University of NSW, Sydney, NSW, Australia; Faculty of Medicine, University of NSW, Sydney, NSW, Australia.
4 Pharmacological Department of Herbal Medicine, Kagoshima University Graduate School of Medical & Dental Sciences, 8-35-1, Sakuraga-oka, Kagoshima, Japan.