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Who We Are
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OHDSI TAB
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OHDSI Forum Best Practices
Education
Book of OHDSI
Book of OHDSI (English Version)
Book of OHDSI (Korean Version)
Book of OHDSI (Chinese Version)
Book of OHDSI (Japanese Version)
Order The Book of OHDSI (Amazon)
EHDEN Academy
2023 SOS Challenge (Network Studies)
YouTube: Tutorials and Presentations
ATLAS Tutorials
Past Presentations (2015-2021)
New To OHDSI?
Join Our Microsoft Teams Environment
Join A Forum Discussion
Introduce Yourself!
Upcoming Workgroup Calls
Video: What Is OHDSI?
Learn More: The Book Of OHDSI
Community Calls
2026 Community Calls
Europe Community Calls
APAC Community Calls
2025 Community Calls
2024 Community Calls
2023 Community Calls
2022 Community Calls
2021 Community Calls
Past Events
2025 Global Symposium
2025 Global Collaborator Showcase
2025 APAC Symposium
2025 Africa Symposium
2025 Europe Symposium
2024 Global Symposium
2024 Global Symposium Collaborator Showcase
2024 APAC Symposium
2024 India Symposium
2024 Europe Symposium
2024 Europe Collaborator Showcase
2023 Global Symposium
2023 Global Collaborator Showcase
2023 APAC Symposium
2023 Europe Symposium
2023 Europe Symposium Collaborator Showcase
ALL Past OHDSI Events
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Learn About Our Workgroups
Join Our Teams Environment
Join Our Workgroups
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2025 ‘Our Journey’ Annual Report
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Funding Opportunities
Support & Sponsorship
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2026 Global Symposium
Register Me For The 2026 Global Symposium!
2026 Global Collaborator Showcase
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Sign up for the OHDSI Jam Session
Book Your Hyatt Hotel Guestroom
Symposium FAQs
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Covid-19 Pandemic impacts on mental health Related conditions Via multi-database network: a Longitudinal Observational study (CERVELLO)
Authors:
Carmen Olga Torre, Kenneth Man, Hao Luo, Wallis Lau, Ian Wong
