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Do healthier foods and diet patterns cost more than less healthy options? A systematic review and meta-analysis
  1. Mayuree Rao1,2,
  2. Ashkan Afshin2,
  3. Gitanjali Singh3,
  4. Dariush Mozaffarian2,3,4
  1. 1The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
  2. 2Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA
  3. 3Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, USA
  4. 4Division of Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
  1. Correspondence to Mayuree Rao; mayuree_rao{at}

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