Study	Reason for exclusion
Blumer 1997	Case series; study not meeting the inclusion criteria
Harmant 1990	Did not report any results for any of the primary and secondary outcomes. We attempted to contact trial author of the study but received no response.
Machado 2010	Did not report any results for any of the primary and secondary outcomes. We attempted to contact trial author of the study but received no response.
NCT00595699	Did not report any results for any of the primary and secondary outcomes. We attempted to contact trial author of the study but received no response.
NCT01244724	Trial listed on ClinicalTrials.gov and recorded as terminated
NCT03464383	Very small pilot study with only 3 participants recruited to antidepressant (escitalopram 10 mg) and referral to psychiatry treatment arms