https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/1471-2474-5-13
https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/1471-2474-5-15
https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/1471-2474-5-14