[1] Zucker Sch Med Hofstra Northwell, Manhasset, NY USA
[2] Columbia Univ, Irving Med Ctr, New York, NY USA
[3] North Shore Univ Hosp, Dept OBGYN, Zucker Sch Med Hofstra Northwell, Manhasset, NY USA
[4] CUNY John Jay Coll, AP Inst Effectiveness, New York, NY USA
[5] Zucker Sch Med Hofstra Northwell, Div Maternal Fetal Med, Manhasset, NY USA
[6] Lenox Hill Hosp, Donald & Barbara Zucker Sch Med Hofstra Northwell, Zucker Sch Med Hofstra Northwell, New York, NY 10021 USA