1. National Research Center for Sexual Medicine, Department of Urology, Inha University School of Medicine, Incheon, Korea.
2. Department of Biomedical Sciences, College of Medicine, Program in Biomedical Science & Engineering, Inha University, Incheon, Korea.
3. Department of Pharmacology, Medicinal Toxicology Research Center, Inha University College of Medicine, Incheon, Korea.