The authors reply: Comment on: "Aldehyde dehydrogenases contribute to skeletal muscle homeostasis in healthy, aging, and Duchenne muscular dystrophy patients" by Etienne et al. Issue 6 (17th September 2020) - Etienne, Jessy; Joanne, Pierre; Catelain, Cyril; Riveron, Stéphanie; Bayer Wildberger, Alexandra; Lafable, Jérémy; Punzon, Isabel; Blot, Stéphane; Agbulut, Onnik; Vilquin, Jean‐Thomas