Institute for Medical Simulation and Advanced Learning, Bronx, New York (Clapper)
Department of Obstetrics and Gynecology, North Bronx Healthcare Network (JMC/NCBH), and Albert Einstein College of Medicine, Bronx, New York (Gross, Wilcox)
Financial Disclosure: Dr. Gross has received grant support from PerkinElmer, Genzyme, and Luminex and is the inventor on a patent filed by the Albert Einstein College of Medicine on the use of cytokeratins as a potential serum marker for aneuploidy, for which she has received no royalties. The other authors did not report any potential conflicts of interest.