[1] Columbia Univ, Med Ctr, Pulm Allergy & Crit Care Med, New York, NY USA
[2] Gen Med, New York, NY USA
[3] Columbia Univ, Med Ctr, Presbyterian Hosp, New York, NY USA
[4] Wake Forest Sch Med, Winston Salem, NC 27101 USA
[5] Cornell Univ, Ithaca, NY USA
[6] Florida Int Univ, Coll Med, Benjamin Leon Jr Family Ctr Geriatr Res & Educ, Miami, FL 33199 USA
[7] Biostat, Chapel Hill, NC USA
[8] Northwestern Univ, Feinberg Sch Med, Med, Chicago, IL 60611 USA
[9] Univ Minnesota, Epidemiol & Community Hlth, Minneapolis, MN USA
[10] Northwestern Univ, Asthma & COPD Program, Chicago, IL 60611 USA
[11] Univ Washingon, Sch Publ Hlth, Seattle, WA USA
[12] Univ Colorado, Sch Med, Human Med Genet & Genom, Aurora, CO USA
[13] NIEHS, Durham, NC USA
[14] NIEHS, Epidemiol Branch, Res Triangle Pk, NC 27709 USA
[15] NIEHS, Lab Resp Bio, POB 12233, Res Triangle Pk, NC 27709 USA
[16] Univ Pittsburgh, Ctr Aging & Populat Hlth, Pittsburgh, PA USA
[17] Boston Univ, Sch Med, Pulm Ctr, Boston, MA 02118 USA
[18] Univ N Carolina, Dept Epidemiol, Chapel Hill, NC 27515 USA
[19] Columbia Univ, Med Ctr, Dept Psychiat & Behav Hlth, New York, NY USA
[20] Brigham & Womens Hosp, Div Cardiovasc Med, 75 Francis St, Boston, MA 02115 USA
[21] Northwestern Univ, Dept Cardiol, Feinberg Sch Med, Chicago, IL USA
[22] Northwestern Univ, Chicago, IL 60611 USA
[23] Tougaloo Coll, Tougaloo, MS USA
[24] Univ Pittsburgh, Pittsburgh, PA USA
[25] Dept Med, Div Gen Med, New York, NY USA