Pakenham, K. I., Landi, G., Boccolini, G., Furlani, A., Grandi, S., & Tossani, E. (2020). The moderating roles of psychological flexibility and inflexibility on the mental health impacts of COVID-19 pandemic and lockdown in Italy. Journal of Contextual Behavioral Science, 17(May), 109–118. https://doi.org/10.1016/j.jcbs.2020.07.003