https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0171-9
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0167-5
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0168-4
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0166-6
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0160-z
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0164-8
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0170-x
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0169-3