https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0105-3
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0104-4
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0103-5