LAUSR

ble fibreoptic ureteroscopes: a randomized prospective multi-institutional clinical trial. Urology 2010; 75: 534–8. 6 Skolarikos AA, Papatsoris AG, Mitsogiannis IC, Chatzidarellis L, Liakouras C, Deliveliotis C. Current status of ureteroscopic treatment for urolithiasis. Int. J. Urol. 2009; 16: 713–7. 7 T€urk C, Petrik A, Sarica K et al. EAU guidelines on urolithiasis. Eur. Urol. 2016; 69: 468–74. 8 Assimos D, Krambeck A, Miller NL et al. Surgical management of stones: American Urological Association/Endourological Society guideline. J. Urol. 2016; 196: 1161–9. 9 Saglam R, Muslumanoglu AY, Tokatlı Z et al. A new robot for flexible ureteroscopy: development and early clinical results (IDEAL Stage 1–2b). Eur. Urol. 2014; 66: 1092–100. 10 Giusti G, Proietti S, Villa L et al. Current standard technique for modern flexible ureteroscopy: tips and tricks. Eur. Urol. 2016; 70: 188–94. 11 Okada S, Hamamoto S, Inoue T et al. Development of the One-surgeon basketing technique in flexible ureteroscopy with laser lithotripsy for upper urinary tract calculi. Videourology 2018; https://doi.org/10.1089/vid.2018.0005. 12 Tabei T, Ito H, Kobayashi K, Kawahara T, Matsuzaki J. Comparison of outcomes between two methods to extract stone fragments during flexible ureteroscopic lithotripsy. BioMed Res. Int. 2018; 2018: 4526721. 13 Kanda Y. Investigation of the freely available easy-to-use software ‘EZR’ for medical statistics. Bone Marrow Transplant. 2013; 48: 452–8. 14 Soria F, Morcillo E, Serrano A et al. Development and validation of a novel skills training model for retrograde intrarenal surgery. J. Endourol. 2015; 29: 1276–81. 15 Skolarikos A, Gravas S, Laguna MP, Traxer O, Preminger GM, de la Rosette J. Training in ureteroscopy: a critical appraisal of the literature. BJU Int. 2011; 108: 798–805. 16 Knoll T, Trojan L, Haecker A, Alken P, Michel MP. Validation of computer-based training in ureterorenoscopy. BJU Int. 2005; 95: 1276–9. 17 Dauw CA, Simeon L, Abdulrahman F et al. Contemporary practice patterns of flexible ureteroscopy for treating renal stones: results of a worldwide survey. J. Endourol. 2015; 29: 1221–30. 18 Ghani KR. Dusting vs. fragmentation and other highlights from WCE 2013. Available from URL: www.bjuinternational.com. 19 Fahmy A, Youssif M, Rhashad H, Orabi S, Mokless I. Extractable fragment versus dusting ureteroscopic laser lithotripsy in children: prospective randomized study. J. Pediatr. Urol. 2016; 12: 254e1–4. 20 Humphreys MR, Shah OD, Monga M et al. Dusting versus basketing during ureteroscopy-which technique is more efficacious? A prospective multicenter trial from the EDGE Research Consortium. J. Urol. 2018; 199: 1272–6. 21 Desai MR, Ganpule A. Flexible ureterorenoscopy. BJU Int. 2011; 108: 462–74. 22 Somani BK, Aboumarzouk O, Srivastava A, Traxer O. Flexible ureterorenoscopy: tips and tricks. Urol. Ann. 2013; 5: 1–6. 23 Shah J, Darzi A. Virtual reality flexible cystoscopy: a validation study. BJU Int. 2002; 90: 828–32.