[1] Yale Univ, Sch Med, Ctr Med Informat, New Haven, CT 06520 USA
[2] Yale Univ, Sch Med, Program Computat Biol & Bioinformat, New Haven, CT 06520 USA
[3] Yale Univ, Sch Med, Dept Mol Cellular & Dev Biol, New Haven, CT 06520 USA
[4] Yale Univ, Sch Med, Dept Anesthesiol, New Haven, CT 06520 USA
[5] Yale Univ, Sch Med, Dept Epidemiol & Publ Hlth, New Haven, CT 06520 USA
[6] Yale Univ, Sch Med, Dept Genet, New Haven, CT 06520 USA