[1] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Ctr Human Nutr, Baltimore, MD 21205 USA
[2] Univ N Carolina, Chapel Hill, NC USA
[3] Tulane Univ, New Orleans, LA 70118 USA
[4] NHLBI, Bethesda, MD 20892 USA
[5] Univ Maryland, Baltimore, MD 21201 USA
[6] Univ New Mexico, Albuquerque, NM USA
[7] Univ Calif San Diego, San Diego, CA 92103 USA
[8] Univ N Carolina, Chapel Hill, NC USA
[9] Univ Arizona, Tucson, AZ USA