1. School of Medicine; Institute of Medical Sciences; Jeju National University; 66 Jejudaehakno; Jeju; 690-756; South Korea
2. Graduate School of East-west Medical Science; Kyunghee University; #1 Seocheon-dong, Kihung-ku; Yongin-City; Kyungki-Do; 449-701; South Korea
3. Pharmaceutical Screening Team; Korea Research Institute of Chemical Technology; Yuseong; Daejeon; 305-600; South Korea