This blogpost will provide you with the research protocol for the mental/biopsychological/ adjusting behavorial intervention and RTC «Mental training for chronic fatigue syndrome (CFS/ME) following EBV infection in adolescents: a randomised controlled trial» (after only six mnd. with PI-EBV). This part two study (CEBA) started 1 oct 2015 and ends 31 dec 2018. The principal investigator of this study; MD PhD Vegard Bruun Wyller at Akershus University Hospital (AHUS), Norway.