“…Forty-three studies included adults [19–22, 26, 32–36, 38, 39, 43–50, 52, 54–56, 58–66, 69–74, 78, 80, 81, 83] and 51 included children [19–23, 25–27, 30–32, 34–36, 38–40, 42–48, 50–53, 55, 56, 58–65, 68–73, 76, 78–83]. Fourteen focused on areas of socioeconomic deprivation [23, 44, 48, 50, 58, 61, 66, 68, 69, 73–76, 83] and ten on people in black or minority ethnic groups [23, 40, 49, 50, 56, 57, 66, 74, 76, 83]. Nine studies specified that they included older people [20, 22, 24, 34, 40, 45, 61, 66, 71].…”