Solmi, Marco, Dragioti, Elena, Croatto, Giovanni, Radua, Joaquim, Borgwardt, Stefan, Carvalho, Andre F., Demurtas, Jacopo, Mosina, Anna, Kurotschka, Peter, Thompson, Trevor ORCID: 0000-0001-9880-782X , Cortese, Samuele, Shin, Jae Il and Fusar-Poli, Paolo (2021) Risk and protective factors for personality disorders: an umbrella review of published meta-analyses of case-control and cohort studies. Frontiers in Psychiatry, 12:679379. ISSN 1664-0640 (Print), 1664-0640 (Online) (doi:https://doi.org/10.3389/fpsyt.2021.679379)