1. a Doping Control Center , Korea Institute of Science and Technology, PO Box 131 , Chungryang , Seoul 130-650 , Korea
2. b Life/Health Division, Korea Institute of Science and Technology, PO Box 131 , Chungryang , Seoul 130-650 , Korea
3. c Department of Pharmacology and Pharmaco, Genomics Research Center , Inje University College of Medicine , Busan , Korea
4. d Department of Pharmacy , College of Pharmacy, Hanyang University , Ansan , Gyeonggi-do 426-791 , Korea