Letter to the Editor RE: Mekayten et al., Will Stone Density Stop Being a Key Factor in Endourology? The Impact of Stone Density on Laser Time Using Lumenis Laser p120w and Standard 20w Laser: A Comparative Study (From: Mekayten M, Lorber A, Katafigiotis I, et al. J Endourol 2019;33:585-589; DOI: 10.1089/end.2019.0181)

Affiliations

• ¹ Department of Urology, Hospital Carlos Van Buren, Valparaíso, Chile.
• ² Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.
• ³ Service d'Urologie, Assistance-Publique Hôpitaux de Paris, Hôpital Tenon, Sorbonne Université, Paris, France.
• ⁴ GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Hôpital Tenon, Sorbonne Université, Paris, France.