[1] Fundacio Puigvert, Dept Urol, Barcelona, Spain
[2] Ng Teng Fong Gen Hosp, Dept Urol, Singapore, Singapore
[3] Southampton Univ Hosp, Dept Urol, NHS Fdn Trust, Southampton, England
[4] Univ Hosp Ghent, Dept Urol, Ghent, Belgium
[5] Univ Politecn Marche, Azienda Osped Univ Osped Riuniti Ancon, Dept Urol, Ancona, Italy
[6] Sorbonne Univ, Tenon Hosp, Dept Urol, Paris, France
[7] Chinese Univ Hong Kong, Dept Urol, Hong Kong, Peoples R China
[8] Univ British Columbia, Dept Urol, Vancouver, BC, Canada
[9] Penang Gen Hosp, Dept Urol, Georgetown, Malaysia
[10] Univ Malaya, Dept Urol, Kuala Lumpur, Malaysia
[11] King Abdulaziz Natl Guard Med City, Dept Urol, Riyadh, Saudi Arabia
[12] Bir Hosp, Natl Acad Med Sci, Dept Urol, Kathmandu, Nepal
[13] Mulawarman Univ, Abdul Wahab Sjahranie Hosp, Fac Med, Dept Urol, Samarinda, Indonesia