1. School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa 920-1192, Japan
2. Joetsu Chemical Laboratories, Kissei Pharmaceutical Co., Ltd., 197-5 Kamiyoshi, Kubiki, Joetsu, Niigata 942-0145, Japan
3. Head Office, Kissei Pharmaceutical Co., Ltd., 19-48 Yoshino, Matsumoto, Nagano 399-8710, Japan
4. Central Research Laboratories, Kissei Pharmaceutical Co., Ltd., 4365-1 Hotakakashiwabara, Azumino, Nagano 399-8304, Japan
5. UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7568, United States