Beatriz Oliveira 1 , Bernardo Teixeira 2 , Martinha Magalhães 2 , Nuno Vinagre 2 , Avelino Fraga 2 , Vítor Cavadas 2
1Unidade Local de Saúde de Santo António, Porto, Portugal.
2Unidade Local de Saúde de Santo António, Porto, Portugal.

Nishal Patel 1 2 , Brittany Stephenson-Smith 1 , Jay Roberts 3 , Akshay Kothari 1
1Department of Urology The Prince Charles Hospital Brisbane Queensland Australia.
2Faculty of Medicine The University of Queensland Brisbane Queensland Australia.
3Department of Urology Royal Brisbane and Women's Hospital Brisbane Queensland Australia.

Orhun Sinanoglu 1 , Salih Yildirim 2 , Ferhat Yakup Suceken 3 , Fatih Bicaklioglu 4 , Mehmet Erhan Aydin 5 , Mehmet Uslu 6 , Ozgur Arikan 7 , Kemal Sarica 2 8
1Department of Urology, Sancaktepe Sehit Prof Dr Ilhan Varank Training and Research Hospital, Istanbul, Turkey.
2.Department of Urology, Sancaktepe Sehit Prof Dr Ilhan Varank Training and Research Hospital, Istanbul, Turkey.
3Department of Urology, Umraniye Training and Research Hospital, Istanbul, Turkey.
4Department of Urology, Kartal Lutfi Kirdar Training and Research Hospital, Istanbul, Turkey.
5Department of Urology, Eskisehir City Hospital, Eskisehir, Turkey.
6Department of Urology, Kafkas University Medical School, Kars, Turkey.
7Department of Urology, Istanbul Medeniyet University Goztepe Suleyman Yalcin City Hospital, Istanbul, Turkey.
8Biruni University, Faculty of Medicine, Istanbul, Turkey.

Shuai Yuan 1 2 , Ramaiyan Velmurugan 3 , S Prasanna Bharathi 3
1Department of Urology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China.
2Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
3Department of Pharmacology, Saveetha College of Pharmacy, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 601205, India.

Keisuke Iwata 1 , Takuji Iwashita 2 , Tsuyoshi Mukai 3 , Yuhei Iwasa 1 , Mitsuru Okuno 1 , Kensaku Yoshida 4 , Akinori Maruta 4 , Shinya Uemura 2 , Ichiro Yasuda 5 , Masahito Shimizu 2
1Department of Gastroenterology, Gifu Municipal Hospital, Gifu 500-8513, Japan.
2First Department of Internal Medicine, Gifu University, Gifu 501-1194, Japan.
3Department of Gastroenterological Endoscopy, Kanazawa Medical University, Ishikawa 920-0293, Japan.
4Department of Gastroenterology, Gifu Prefectural General Medical Center, Gifu 500-8717, Japan.
5Third Department of Internal Medicine, Graduate School of Medicine University of Toyama, Toyama 930-0194, Japan.