title: Reply by authors.
mesh_terms: D006801:Humans; D007396:Internship and Residency / Q000379:methods*; D059032:Learning Curve; D019651:Plastic Surgery Procedures / Q000193:education*; D012371:Robotics / Q000193:education*; D014513:Ureter / Q000601:surgery*; D014517:Ureteral Obstruction / Q000601:surgery*; D013520:Urologic Surgical Procedures / Q000193:education*