Godara, M., Silveira, S. J., Matthäus, H., Heim, C., Voelkle, M., Hecht, M., et al. (2021). Investigating differential effects of socio-emotional and mindfulness-based online interventions on mental health, resilience and social capacities during the COVID-19 pandemic: The study protocol. PLoS One, 16(11): e0256323.