Table 1. Search Strategies and the Number of Results Identified From the Search.

MeSH = Medical Subject Headings

Databases	Keywords	Search Strategy	Filters	Results
PubMed	Borderline personality disorder; family intervention; family therapy; adolescent;	#1 (Borderline personality disorder [Title/Abstract]) OR (Borderline personality disorder [MeSH Major Topic]) #2 ((((Family therapy [MeSH Major Topic]) OR (family therapy [Title/Abstract])) OR (family involvement [Title/Abstract])) OR (family[MeSH Major Topic])) OR (family [Title/Abstract]) #3 (((Adolescent* [MeSH Major Topic]) OR (adolescent* [Title/Abstract])) OR (Teenager* [Title/Abstract])) OR (Youth [Title/Abstract]) #4 #1 AND #2 AND #3	Full text, in the last 10 years, English, Adolescent: 13-18 years	56
PsycInfo	Borderline personality disorder; family therapy; adolescents	DE “Borderline Personality Disorder” OR “borderline personality” AND DE “family therapy or family counseling or family intervention or family systems therapy”	Year：2012-2022, Language: English, Age: Adolescent (13-17 years）	531