Reply to Frederic Panthier, Alba Sierra, and Olivier Traxer’s Letter to the Editor re: Øyvind Ulvik, Mathias Sørstrand Æsøy, Patrick Juliebø-Jones, Peder Gjengstø, Christian Beisland. Thulium Fibre Laser Versus Holmium:YAG for Ureteroscopic Lithotrip