“…Sample size ranged from 11 to 1,200,847, with 57 studies including healthy young adults [3, 4, 8, 11, 13, 16, 18, 20, 21, 30–40, 42–46, 48–50, 54–56, 59–61, 63–71, 74, 77, 78, 80–84, 87, 88, 90, 91, 93, 94]. Other groups included: older adults (> 65 years) ( n = 18) [8, 9, 34, 38, 45, 56, 61, 70, 72, 74, 77, 82–84, 87, 91, 93, 94], children/adolescents (< 18 years) ( n = 11) [5, 13, 37, 38, 41, 52, 56, 75, 80, 89, 92], participants with medical conditions ( n = 7) (such as Down syndrome […”