[1] Washington Univ, Div Urol, St Louis Childrens Hosp, St Louis, MO 63110 USA
[2] Childrens Hosp, Dept Urol, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Skejby Univ Hosp, Pediat Nephrol Sect, Aarhus, Denmark
[5] Cabrini Hosp, Childrens Ctr, Melbourne, Vic, Australia
[6] New York Med Coll, Valhalla, NY 10595 USA
[7] Ghent Univ Hosp, Ghent, Belgium
[8] Saarland Univ Hosp, Dept Child & Adolescent Psychiat, Homburg, Germany
[9] St Thomas Hosp, Evelina Childrens Hosp, London, England
[10] Taipei Tzu Chi Hosp, Buddhist Med Fdn, Div Urol, New Taipei, Taiwan
[11] Buddhist Tzu Chi Univ, Sch Med, Hualien, Taiwan
[12] Uppsala Univ, Sect Paediat Nephrol, Dept Womens & Childrens Hlth, Uppsala, Sweden