Protocol for a systematic review of the development of depression among adolescents and young adults: psychological, biological, and contextual perspectives around the world

Table 1 MEDLINE (Ovid) search, objective 1

1. ADOLESCENT/
2. (adolesc* or "youth" or "teen" or "young people" or "young person*").mp. [mp=title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]
3. Young Adult/
4. 1 or 2 or 3
5. DEPRESSION/
6. Depressive Disorder/
7. Depressive Disorder, Major/
8. ("depressive disorder" or "symptoms of depression" or "major depressive disorder").mp. [mp=title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]
9. 5 or 6 or 7 or 8
10. LONGITUDINAL STUDIES/
11. Prospective Studies/
12. Observational Study/
13. (longitudinal or prospective or "observational stud*").mp. [mp=title, abstract, original title, name of substance word, subject heading word, floating sub-heading word, keyword heading word, protocol supplementary concept word, rare disease supplementary concept word, unique identifier, synonyms]
14. 10 or 11 or 12 or 13
15. 4 and 9 and 14