1. Research Institute for Drug Delivery Science, Sojo University, Ikeda 4-22-1, Kumamoto 860-0082, Japan
2. Laboratory of Microbiology & Oncology, Faculty of Pharmaceutical Science, Sojo University, Kumamoto, Japan
3. Department of General Surgery, Sheng Jing Hospital, China Medical University, Shenyang City, Liaoning Province, 110004, P. R. China
4. Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic