Affiliation: | a Division of Pediatric Neurology, Department of Pediatrics, Boston Medical Center, Boston University, Boston, MA b Department of Biostatistics, Harvard School of Public Health, Boston, MA c Neuroepidemiology Unit, Department of Neurology, Children's Hospital Boston, Boston, MA d Harvard Medical School, Harvard University, Boston, MA e Massachusetts General Hospital, Boston, MA f Department of Pediatrics, Wake Forest University, Winston-Salem, NC g Michigan State University-Sparrow Medical Center, East Lansing, MI h Yale-New Haven Hospital and Yale University School of Medicine, New Haven, CT. All of the authors are members of the ELGAN Study Group |