Effectiveness of internet-based cognitive behavioural treatment for adolescents with chronic fatigue syndrome (FITNET): a randomized controlled trialNijhof S, Bleijenberg G, Uiterwaal C +2 more2012Lancet10.1016/s0140-6736(12)60025-7CiteSaveAbstractReferences (1)Adolescent chronic fatigue syndrome: prevalence, incidence, and morbidityPEDIATRICS · 2011