Sahin C, Cetinel AC, Eryildirim B, Tuncer M, Faydaci G, Sarica K.
Dr. Lutfi Kirdar Training and Research Hospital, Departments of Urology, Istanbul.

Akbas A, Gulpinar MT, Sancak EB, Karakan T, Demirbas A, Utangac MM, Dede O, Sancaktutar AA, Simsek T, Sahin B, Resorlu B.
Department of Urology , Ankara Training and Research Hospital , Ankara , Turkey.
Department of Urology , Faculty of Medicine, Dicle University , Diyarbakir , Turkey.
Department of Anesthesiology , Faculty of Medicine, Canakkale Onsekiz Mart University , Canakkale , Turkey.
Department of Psychiatry , Faculty of Medicine, Canakkale Onsekiz Mart University , Canakkale , Turkey.

Denburg MR, Jemielita TO, Tasian GE, Haynes K, Mucksavage P, Shults J, Copelovitch L.
The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Center for Pediatric Clinical Effectiveness, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Mi Y, Ren K, Pan H, Zhu L, Wu S, You X, Shao H, Dai F, Peng T, Qin F, Wang J, Huang Y.
Department of Urology, Third Affiliated Hospital of Nantong University, Wuxi, Jiangsu, China.
Department of Orthopedics, The Affiliated Jiangyin Hospital of Southeast University Medical School, Wuxi, Jiangsu, China.

Li HY, Lian PY, Zhou ZY, Song P, Yan Y, Liu JH.
Department of Urology, The Affiliated Hospital of Hainan Medical College Hailou 570120, P. R. China.
Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology Wuhan, Hubei 430030, P. R. China.