https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0097-z
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0095-1
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0098-y
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0096-0
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-016-0094-2