1. Department of Urology, Daejeon Eulji University Hospital, Eulji University School of Medicine, Daejeon 35233, Republic of Korea
2. Department of Pathology, Uijeongbu Eulji Medical Center, Eulji University School of Medicine, Uijeongbu-si 11759, Republic of Korea
3. Department of Internal Medicine, Uijeongbu Eulji Medical Center, Eulji University School of Medicine, Uijeongbu-si 11759, Republic of Korea