1. The executive writing committee and expert panel members represent the following participating organizations and major cosponsors: the American Heart Association (L.M., E.J.B., K.B., J.L.B., R.J.D., D.M.L-J., L.K.N., I.L.P., V.L.R., L.J.S., D.Z., T.M.B., C.B., J.D., P.M.K-E., A.S.G., E.K., C.J.L., N.A.N., S.O., P.O., N.C-S., E.M.U., V.V., N.K.W.), Centers for Disease Control and Prevention* (J.F.), American Academy of Family Physicians (T.G.G.), American College of Obstetricians and Gynecologists (C...