[1] Harvard TH Chan Sch Publ Hlth, Dept Epidemiol, Program Genet Epidemiol & Stat Genet, Boston, MA 02115 USA
[2] Harvard Med Sch, Massachusetts Gen Hosp, Dept Emergency Med, Boston, MA 02115 USA
[3] Harvard TH Chan Sch Publ Hlth, Dept Environm Hlth, Boston, MA USA
[4] Dalian Maritime Univ, Coll Informat Sci & Technol, Dalian, Liaoning, Peoples R China
[5] Harvard TH Chan Sch Publ Hlth, Dept Biostat, Boston, MA 02115 USA