Baylor Research Institute in Dallas, TX RDCRN #6704 and 6711
Cedars-Sinai Medical Center in Los Angeles, CA RDCRN #6708 and 6719
Children’s Hospital of Orange County in Orange, CA RDCRN #6720
Cincinnati Children’s Hospital Medical Center in Cincinnati, OH RDCRN #6706
Duke University in Durham, NC RDCRN #6709
Emory University School of Medicine in Atlanta, GA RDCRN #6703
Greenwood Genetic Center in North Charleston, SC RDCRN #6712
Joan and Sanford Weill Medical College of Cornell University, in New York City, NY RDCRN #6716
Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center in Torrance, CA RDCRN #6714, 6719 and 6728
Harvard University, Massachusetts General Hospital in Boston, MA RDCRN #6713
Hospital for Sick Children in Toronto, ON, Canada RDCRN #6703
Mayo Clinic in Rochester, MN RDCRN #6715
New York University School of Medicine in New York City, NY RDCRN #6703 and 6722
Oakland Children’s Hospital and Research Center in Oakland, CA RDCRN #6703, 6705 and 6714
Oregon Health Science University in Portland, OR RDCRN #6703
University of Alabama at Birmingham in Birmingham, AL RDCRN #6717
University at Buffalo, Hunter James Kelly Institute in Buffalo, NY RDCRN #6726
University of British Columbia in Vancouver, BC, Canada RDCRN #6703
University of California, San Francisco RDCRN #6703
University of Chicago RDCRN #6710
University of Minnesota, Twin Cities RDCRN #6702, 6703, 6705, 6707, 6710, 6713, 6718, 6720, 6721, 6722, 6727 and 6729
University of Rochester in Rochester, NY RDCRN #6717
University of South Florida in Tampa, FL All LDN Studies
University of Washington Medical Center, in Seattle, WA RDCRN #6725