Corrigendum: Cognitive behavioral therapy improves physical function and fatigue in mild and moderate chronic fatigue syndrome: A consecutive randomized controlled trial of standard and short interventions - Gotaas, Merethe Eide; Stiles, Tore C.; Bjørngaard, Johan Håkon; Borchgrevink, Petter C.; Fors, Egil A. (Frontiers in Psychiatry, 2023)