The search strategy was as follows: (suicide or suicidal or suiciding or self-injurious behavior or self-immolation or self-destruction or self-slaughter or self-mutilation or self-harm or self-inflicted or self-injury) and (alcohol or alcoholic or alcoholism or harmful drinking or dependent drinking or over-drinking or harmful drinker or heavy drinker or hard drinker or problem drinker or pathological drinker or ethanol) and (cohort stud* or follow-up stud* or longitudinal stud* or case-control stud* or case-base stud* or cross-sectional stud* or observational stud* or survey).
