https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0528-0 https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0532-4 https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0530-6 https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-016-0529-z