https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0183-5
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0186-2
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0181-7
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0184-4
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0185-3
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0179-1
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0182-6
https://bmcendocrdisord.biomedcentral.com/articles/10.1186/s12902-017-0180-8