Retraction notice to: ‘Reply from authors re: Declan G. Murphy, Anthony J. Costello. How can the autonomic nervous system contribute to urinary continence following radical prostatectomy? A ‘‘Boson-like’’ conundrum. Eur urol 2013;63:445–7: Sparing of the neurovascular bundle leads to improved rates of continence’ [Eur urol 2013;63:447–9]