Non-invasive Chromosomal Examination of Trisomy Study

Leiden University Medical Center, Leiden

Maastricht University Medical Center, Maastricht

Columbia University, New York

Karolinska University Hospital, Stockholm

Abington Memorial Hospital, Abington

Women's Health Care Group of Pennsylvania, Wynnewood

Thomas Jefferson Univeristy Hospital, Philadelphia

Christiana Care Health System, Newark

Duke University Medical Center, Durham

Altus Research, Lake Worth

Norton Healthcare, Louisville

Medical College of Wisconsin, Milwaukee

Minnesota Perinatal Associates, Minneapolis

Northshore University Health System, Evanston

Tucson Medical Center, Tucson

The Institute of Prenatal Diagnosis and Reproductive Medicine, San Gabriel

Perinatal Diagnostic Center, Riverside

California Pacific Medical Center, San Francisco

University of California San Francisco, San Francisco

East Bay Perinatal Associates, Oakland

Fetal Diagnostic Institute of the Pacific, Honolulu

Northwest Perinatal Center, Portland

Oregon Health Sciences University, Portland

Stanford University, Palo Alto

University of California San Diego, San Diego

Brigham and Women's Hospital - Center for Fetal Medicine and Prenatal Genetics, Boston

Robert Wood Johnson School of Medicine, New Brunswick

St. Peters University Medical Center, New Brunswick

Partners in Obstetrics and Gynecology, Pawtucket

University Hospitals Leuven, Leuven

Early Risk Assessment Program - University of Alberta, Calgary

Ottawa Hospital and Research Institute, Ottawa

Mount Sinai University, Toronto

University of Toronto, Toronto

University of Perugia, Perugia

Sahlgrenska University Medical Center, Gothenburg