[1] Maastricht Univ, Governor Kremers Ctr, Dept Urol, Med Ctr, Maastricht, Netherlands
[2] Outpatient Serv Child & Adolescent Psychiat, Psychiat Serv Graubunden PDGR, Masanserstr 14, CH-7000 Chur, Switzerland
[3] Saarland Univ Hosp, Dept Child & Adolescent Psychiat, Homburg, Germany
[4] Taipei Tzu Chi Hosp, Dept Urol, New Taipei, Taiwan
[5] Buddhist Tzu Chi Univ, New Taipei, Taiwan
[6] Victorian Childrens Continence Clin, Melbourne, Vic, Australia
[7] Victoria Royal Childrens Hosp, Paediat Gastroenterol, Melbourne, Vic, Australia
[8] Yale New Haven Hosp, Yale Sch Med, Childrens Bladder & Continence Program, 20 York St, New Haven, CT 06504 USA
[9] Guys & St Thomas NHS Fdn Trust, Evelina London Childrens Hosp, Childrens Bladder Clin, London, England