Fig. 1
From: A longitudinal study of mental health before and during COVID-19 lockdown in the French population
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12992-021-00682-8/MediaObjects/12992_2021_682_Fig1_HTML.png)
Flowchart of the inclusion procedure
From: A longitudinal study of mental health before and during COVID-19 lockdown in the French population
Flowchart of the inclusion procedure