Corrigendum: Major Stress-Related Symptoms During the Lockdown: A Study by the Italian Society of Psychophysiology and Cognitive Neuroscience - Sara Invitto; Daniele Romano; Francesca Garbarini; Valentina Bruno; Cosimo Urgesi; Giuseppe Curcio; Alberto Grasso; Maria Concetta Pellicciari; Giacomo Koch; Giacomo Koch; Viviana Betti; Viviana Betti; et al. (Frontiers Media S.A., 2021)