1. Division of Medicinal Pharmacology, Institute of Natural Medicine, Toyama Medical and Pharmaceutical University, 2630, Sugitani, Toyama, 930-0194, Japan
2. Department of Psychiatry, Psychiatric Institute, University of Illinois at Chicago College of Medicine, 1601 W Taylor Street, Chicago, IL, 60612, USA
3. Department of Pharmaceutical Sciences, Universita di Modena, Italy