1Department of Biostatistics, University of North Carolina, Chapel Hill, North Carolina
2Department of Epidemiology, University of Alabama at Birmingham, Birmingham, Alabama
3Department of Clinical Sciences, Lund University, Malmö, Sweden
4Section for Clinical Mass Spectrometry, Danish Center for Neonatal Screening, Department of Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
5Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Boston, Massachusetts
6Duke University Medical Center, Durham, North Carolina
7Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
8Division of Molecular Pathology and Genomics, University of Minnesota, Minneapolis, Minnesota
9Institute for Minority Health Research, University of Illinois at Chicago College of Medicine, Chicago, Illinois
10Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York
11Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
12Division of Nephrology, Department of Medicine, University of Illinois, Chicago, Illinois
13Departments of Medicine and Biostatistics, Harvard University, Boston, Massachusetts
14Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
Correspondence: Dr. Nora Franceschini, Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, 123 W. Franklin St., Suite 401, Chapel Hill, NC 27516. Email: [email protected]