https://bmcinthealthhumrights.biomedcentral.com/articles/10.1186/1472-698X-14-22
https://bmcinthealthhumrights.biomedcentral.com/articles/10.1186/1472-698X-14-24
https://bmcinthealthhumrights.biomedcentral.com/articles/10.1186/1472-698X-14-23