Adolescent adolescent 105 human 105 Humans 104 male 94 female 93 Female 89 Male 89 adult 71 self report 62 young adult 60 Adult 59 Young Adult 53 Article 45 child 45 psychology 44 Child 39 Self Report 39 controlled study 37 case report 36 Middle Aged 26 major clinical study 26 middle aged 26 questionnaire 22 clinical article 21 article 20 physiology 19 procedures 19 risk factor 18 follow up 17