“…Dietary intake assessment methods and modalities were heterogenous across the included studies. Sixty four percent of studies (n = 25 studies) [25][26][27][28][29][31][32][33]36,37,39,40,42,48,[51][52][53][55][56][57][58][59][60]62,63 used questionnaires (non-digital), and 15% (n = 6 studies) 28,36,38,41,44,47 used interviews, 8% (n = 3 studies) 51,52,62 used urinary testing and 5% used (n = 2) 36,46 diet records (non-digital) (see Supporting information, Table S3). Outcome assessment of dietary intake was undertaken via the internet in 15% of the studies (n = 6 studies), 30,34,50,[61][62][63] electronic software in 13% (n = 5 studies), 28,35,[45][46]…”