https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-017-0171-1
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0175-5
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-017-0172-0
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0174-6
https://annals-general-psychiatry.biomedcentral.com/articles/10.1186/s12991-018-0173-7