1. Combined Internal Medicine and Pediatrics Section, Division of General Internal Medicine, Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, Ohio, USA.
2. The Martha S. Pitzer Center for Women, Children, and Youth, College of Nursing, The Ohio State University, Columbus, Ohio, USA.
3. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University College of Medicine, Columbus, Ohio, USA.