Refugees, migrants, internally displaced people and COVID-19: protocol for an updated systematic review
The review protocol is in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (Moher, Liberati, Tetzlaff, & Altman, 2009), and is essentially an update of the protocol (Hintermeier et al., 2020) of a previously published review on the topic (Hintermeier et al., 2021).