“…Following the selection criteria of the reviews, 16 publications [28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43] referring to our three reference programmes should have been identified. In practice, a total of 11 were identified [5,28,30,32,34,38,39,[43][44][45][46], and seven [28,32,34,35,38,39,46] were included in at least one of the reviews. In six reviews the main controlled trials of our reference programmes [28, 30-32, 38, 44] were included in data synthesis [10,11,16,18,19,25].…”