1. Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan, Republic of China
2. Department of Urology, Buddhist Tzu Chi General Hospital, Hualien, Taiwan, Republic of China
3. Institute of Pharmacology and Toxicology, Tzu Chi University, Hualien, Taiwan, Republic of China
4. Department of Medicine, Mackay Medical College, New Taipei City, Taiwan, Republic of China
5. Department of Urology, Tzu Chi University, Hualien, Taiwan, Republic of China