Internet-Based Cognitive Behavioral Therapy in Stepped Care for Chronic Fatigue Syndrome: Randomized Noninferiority Trial.
Margreet Worm-SmeitinkAnthonie JanseArno van DamAndrea W M EversRosalie van der VaartSurapong LertthammakiatHans KnoopPublished in: Journal of medical Internet research (2019)
Nederlands Trial Register NTR4809; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=4809 (Archived by WebCite at http://www.webcitation.org/74SWkw1V5).