| Organization | Stephan Tegtmeier | Sonia Vallentin |
|---|---|---|
| Happier Lives Institute | Personal Happiness Interventions Researcher (2020-09-19–2021-03-01) | Researcher Volunteer (2020-01-01–2021-10-25) |
| Title | Publication date | Author | Publisher | Affected organizations | Affected people | Document scope | Cause area | Notes |
|---|