1. Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences; University of Shizuoka; 52-1 Yada, Suruga-ku Shizuoka 422-8526 Japan
2. College of Pharmacy; Yanbian University; Yanji City 133002 Jilin Province People's Republic of China
3. Fengxian Branch of Shanghai Sixth People's Hospital; Shanghai 201400 China