Table 1.

Medline Search Strategy

Database	Search Strategy
MEDLINE (n=124)	1. exp Suicide/ 2. suicid*.mp. 3. exp Self-Injurious Behavior/ 4. (self harm* or self inflict* or self injur* or self wound* or self mutilat* or self poison* or overdose).mp. 5. automutilat*.mp 6. 1 or 2 or 3 or 4 or 5 7. brain derived neurotrophic factor.mp. or Brain-Derived Neurotrophic Factor/ 8. bdnf.mp 9. 7 or 8 10. 6 and 9