Affiliation: | 1. Department of Mathematics and Statistics, Framingham Heart Study, Boston University, 111 Cummington St., Boston, MA 02215, U.S.A.;2. Department of Biostatistical Sciences, Wake Forest University School of Medicine, Medical Center Boulevard, Winston‐Salem, NC 27157, U.S.A.;3. Framingham Heart Study, Boston University School of Medicine, 73 Mount Wayte Avenue, Suite 2, Framingham, MA 01702‐5803, U.S.A. |