1. BK 21 PLUS Center for Advanced Chemical Technology; Department of Polymer Science and Engineering; Pusan National University; Pusan 609-735 Republic of Korea
2. National Research and Development Center for Hepatobiliary Cancer; Pusan National University, Yangsan Hospital; Yangsan 626-870 Republic of Korea
3. Department of Chemistry and Chemistry Institute for Functional Materials; Pusan National University; Pusan 609-735 Republic of Korea