Electronic database	Search string
PUBMED	Search ((((((((((((Condom availability) OR Condom use) OR Condom) OR Condom distribution) OR School based condom distribution)) OR Contraceptive device)) AND School based)) AND (((((School based) OR School based program) OR School) OR Health services) OR Health promotion)) AND (((Accessibility) OR Availability) OR Distribution)) AND (((((((Teenagers) OR Adolescents) OR Males) OR Females) OR Male adolescents) OR Female adolescents) OR Teens)
ScienceDirect	“Condom” OR “condom use” OR “contraceptive device” OR “condom distribution” OR “condom availability” AND “School based” OR “school” OR “health services” OR “health programs” OR “school based programs” AND “Availability” OR “distribution” OR “accessibility” OR “health promotion” AND “Adolescents” OR “teenagers” OR “teens” OR “male adolescents” OR “female adolescents” OR “males” OR “females”
EBSCOhost	“Condom” OR “condom use” OR “contraceptive device” OR “condom distribution” OR “condom availability” AND “School based” OR “school” OR “health services” OR “health programs” OR “school based programs” AND “Availability” OR “distribution” OR “accessibility” OR “health promotion” AND “Adolescents” OR “teenagers” OR “teens” OR “male adolescents” OR “female adolescents” OR “males” OR “females”
ProQUEST	“Condom” OR “condom use” OR “contraceptive device” OR “condom distribution” OR “condom availability” AND “School based” OR “school” OR “health services” OR “health programs” OR “school based programs” AND “Availability” OR “distribution” OR “accessibility” OR “health promotion” AND “Adolescents” OR “teenagers” OR “teens” OR “male adolescents” OR “female adolescents” OR “males” OR “females”