1. Department of Pharmacology, Institute of Natural Medicine, College of Medicine, Hallym University, Chuncheon 200-702, Korea.
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon 200-702, Korea.
3. Department of Anesthesiology and Pain Medicine, Asan Medical Center and University of Ulsan College of Medicine, Seoul 138-736, Korea.