Notes
anhedonia
The original inclusion criteria additionally specified scoring at least 1 on item 13 (General Interest) of the QIDS, to indicate at least mild levels of anhedonia, but due to a typographic error in the computer code this aspect of the inclusion criteria was not implemented (see online Supplementary Methods for further details).We did not wait for another arm to drop out before introducing CBMv4 (as planned in the trial protocol), but introduced it earlier, as this would make further progress of the trial more efficient in case there was a long delay before another arm hit a BF boundary (see online Supplementary Methods for further elaboration).As the process of ending the trial was not automated, a small number of additional participants were randomized into the trial after CBMv4 hit 