Mental health across two years of the COVID-19 pandemic: a 5-wave longitudinal study in Germany

Maxi Weber, Sebastian Burchert, Marit Sijbrandij, …, Babette Renneberg, Christine Knaevelsrud, Sarah Schumacher

• DOI: 10.3389/fpsyt.2023.1229700
• PMID: 37614651
• PMCID: PMC10442488