1. College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
2. St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, USA
3. Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
4. Kansas City VA Medical Center, Kansas City, MO 66128, USA