https://genesandnutrition.biomedcentral.com/articles/10.1007/s12263-015-0457-3 https://genesandnutrition.biomedcentral.com/articles/10.1007/s12263-015-0458-2 https://genesandnutrition.biomedcentral.com/articles/10.1007/s12263-015-0456-4