adolescent communitypsychiatry cross-culturalcomparison cross-culturalstudies diagnosis epidemiologicmethods epidemiology ethics etiology evaluation globalization healthpolicy homicide hv6546s94791994 internationality juvenilehomicide medical mentaldisorders mentalillness moralandethicalaspects pathological primarycare(medicine) primaryhealthcare psychiatry psychologicalaspects psychology psychotherapy research social socialaspects socialpsychiatry standards suicidalbehavior suicide teenagers unitedstates wm141m54951995 wm62e8431986