- National Institute of Mental Healthwww.nimh.nih.gov
- National Institutes of Healthwww.health.nih.gov
- American Psychological Associationwww.apa.org
- Mental Health Americawww.mhanational.org
- Substance Abuse and Mental Health Services Administrationwww.samhsa.gov
- Attention Deficit Disorder Associationwww.add.org