https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-017-0157-z
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-017-0155-1
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-017-0156-0