https://bmcphysiol.biomedcentral.com/articles/10.1186/1472-6793-3-11
https://bmcphysiol.biomedcentral.com/articles/10.1186/1472-6793-3-13
https://bmcphysiol.biomedcentral.com/articles/10.1186/1472-6793-3-10
https://bmcphysiol.biomedcentral.com/articles/10.1186/1472-6793-3-12