https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0535-1 https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0533-3 https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0531-5