“…Eighteen studies were identified in which researchers reported on the validity of other clinical methods of GA assessment (ie, Eregie et al, 40,42,80 Capurro et al, 15, 40, 81 -84 Parkin et al, 16,40,47,52,54,68 Bhagwat et al, 18,33,40 Tunçer et al, 26,57 Finnström, 24 Narayanan et al, 30 and Robinson 32,47 ). These findings are reported in Supplemental Information 3 and Supplemental Table 13.…”