“…There were a range of study designs: quantitative ( n = 10) 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , randomized controlled trials ( n = 6) 36 , 37 , 38 , 39 , 40 , 41 , mixed methods studies ( n = 3) 42 , 43 , 44 , qualitative ( n = 1) 45 , and a quantitative non-randomized controlled study ( n = 1). 46 The majority of the participants included had prostate, 27 , 30 , 33 , 34 , 39 , 40 , 44 , 45 colorectal, 32 , 42 lung, 41 , 43 head and neck, 46 renal, 35 esophageal 37 and mixed cancer. 26 , 28 , 29 , 31 , 36 , 38 The methodological quality of the included studies was overall good, but some caution should be taken in the interpretation of the results due to non-response bias and a lack of acknowledgment of the divergence between the qualitative and quantitative data in the mixed methods studies, see Table 3 .…”