Correction: Histological analysis of the medial gastrocnemius muscle in young healthy children - Anke Andries; Jorieke Deschrevel; Karen Maes; Nathalie De Beukelaer; Marlies Corvelyn; Lauraine Staut; Hannah De houwer; Domiziana Costamagna; Domiziana Costamagna; Domiziana Costamagna; Stefaan Nijs; Willem-Jan Metsemakers; et al. (Frontiers in Physiology)