adolescent female male human 163 Female 147 Male 147 Adolescent 131 adult 130 article 125 Humans 122 Adult 98 child 93 controlled study 93 Child 85 priority journal 70 Argentina 60 major clinical study 55 Middle Aged 51 Child, Preschool 50 aged 49 clinical article 36 Aged 35 preschool child 34 Infant 33 middle aged 33 Young Adult 32 nonhuman 30 infant 29 newborn 29 Article 26