Correspondence on "Disorder of sex development associated with a novel homozygous nonsense mutation in COG6 expands the phenotypic spectrum of COG6‐CDG". Issue 1 (25th September 2021) - Lugli, Licia; Pollazzon, Marzia; Bigoni, Stefania; Caraffi, Stefano Giuseppe; Ferlini, Alessandra; Ferri, Lorenzo; Morrone, Amelia; Calabrese, Olga; Iughetti, Lorenzo; Garavelli, Livia; Berardi, Alberto