Lyu W, Wehby GL. Community use of face masks and COVID-19: evidence from a natural experiment of state mandates in the US. Health Aff. (2020) 39:1419--25. doi: 10.1377/hlthaff.2020
Betsch C, Korn L, Sprengholz P, Felgendreff L, Eitze S, Schmid P, et al. Social and behavioral consequences of mask policies during the COVID-19 pandemic. Proc Natl Acad Sci USA. (2020) 117:21851--3. doi: 10.1073/pnas.2011674117.00818
Michail J. (2020). Strong Nonverbal Skills Matter Now More Than Ever In This "New Normal". Forbes. (2020). Available online at: https://www.forbes.com/sites/forbescoachescouncil/2020/08/24/strong-nonverbal-skills-matter-now-more-than-ever-in-this-new-normal/?sh=872b2f45c611