1 Department of Nutrition, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. Electronic address: shaikhsa@email.unc.edu.
2 Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
3 Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, USA.
4 Arkansas Children's Nutrition Center, Little Rock, AR, USA.
5 United States Department of Agriculture/Agricultural Research Service, Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA.