Depressive symptoms (BDI-FS)
As for the WBQ, the BDI-FS was assessed 17 times during the whole study and thus allowed a detailed observation of the temporal course from pretreatment to post follow-up (see Fig. Temporal course of the BDI-FS from assessment points pretreatment (week 0) to post follow-up (week 59). See Fig. Contrary to our expectations and similar to the WBQ, the BDI-FS declined during both periods, the waiting-time (