1 Department of Urology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan; Department of Urology, School of Medicine, Tzu Chi University, Hualien, Taiwan.
2 Department of Urology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan.
3 Department of Urology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan; Department of Urology, School of Medicine, Tzu Chi University, Hualien, Taiwan. Electronic address: nobookrain2014@gmail.com.