NORWEGIAN INSTITUTE OF PUBLIC HEALTH
UNIVERSITY OF MICHIGAN
HARVARD MEDICAL SCHOOL DEPARTMENT OF HEALTH CARE POLICY
https://www.hcp.med.harvard.edu/
STATISTICS NETHERLANDS # BLAISE
WORLD MENTAL HEALTH SURVEY INITIATIVE COMPOSITE INTERNATIONAL DIAGNOSTIC INTERVIEW (WHO WMH-CIDI)
https://www.hcp.med.harvard.edu/wmhcidi/index.php
MINISTRY OF HEALTH, REPUBLIC OF BULGARIA
https://www.mh.government.bg/bg/
NATIONAL CENTER OF PUBLIC HEALTH AND ANALYSES
http://ncpha.government.bg/index.php?lang=en