“…A wide range of techniques were used to elicit information about digital health literacy. Most studies used surveys [14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49] administered as online questionnaires [24,26,29,41,43,45,47], paper questionnaires [16,17,26,38,39,40,41,50,…”