Table 1. Key participant characteristics of experts in all three rounds of the modified Delphi exercise.

Round	Gender	Professional Background	Number of Countries Represented	Income Settings Represented
1	8 female29 male	8 academic (mostly doctors, some with pharmacy and nursing backgrounds)7 non-for-profit research10 health policy7 clinical (all doctors)5 academic/clinical	18	10 high-income5 middle-income3 low-income
2	8 female26 male	8 academic4 non-for-profit research10 health policy7 clinical5 academic/clinical	17	9 high-income5 middle-income3 low-income
3	7 female23 male	6 academic3 non-for-profit research10 health policy6 clinical5 academic/clinical	15	7 high-income5 middle-income3 low-income