https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0184-4 https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0189-z https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0187-1 https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0188-0 https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0190-6 https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0191-5 https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0186-2