“…Quality assessment revealed that studies differed greatly in quality. Seven studies were considered as stronger [19,20,27,40,41,42,47], because on the whole, these studies used suitable designs, had adequate sample sizes, used validated questionnaires and comparison groups (with exception of the two prospective studies) [20,47], and had large ranges in time since treatment (with exception of the two prospective studies). Furthermore, these studies considered time since treatment in their analyses, whereas in total, only nine studies investigated whether time since diagnosis was related to one of the outcome variables [7,11,16,19,27,35,39,40,41].…”