Response to "Re Hydronephrosis and crossing vessels in children: Optimization of diagnostic-therapeutic pathway and analysis of color Doppler ultrasound and magnetic resonance urography diagnostic accuracy"
1 Pediatric Surgery Unit, Istituto Giannina Gaslini, Genoa, Italy; DINOGMI, University of Genoa, Genoa, Italy. Electronic address: miky.wong17@libero.it.