Departments of *ObGyn
∥Internal Medicine, The Reading Hospital and Medical Center, Reading
Departments of †ObGyn
¶Internal Medicine, Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania
‡East Bay Physicians Medical Group, Berkeley
§Department of ObGyn, University of California, San Francisco, California
The authors declare that they have nothing to disclose.
Correspondence: Xuezhi Jiang, MD, FACOG, The Reading Hospital, Reading, PA 19610. E-mail: firstname.lastname@example.org