Fig. 1

CONSORT Flow Chart of the MAKS-s study. Note. Three criteria for a minimum therapy dose were defined a priori: participation in (1) at least one therapy unit in the week directly before data collection, (2) at least 50% of the therapy units in the last 4 weeks before data collection, and (3) at least 50% of the therapy units in the entire intervention period between t0 and t6