1. Diabetes and Pregnancy Unit, Division of Diabetes, Hospital Universitario La Paz, Madrid, Spain.
2. Diabetes and Pregnancy Unit, Department of Obstetrics, Hospital Universitario La Paz, Madrid, Spain.
3. Diabetes and Pregnancy Unit, Department of Biochemistry, Hospital Universitario La Paz, Madrid, Spain.
4. Division of Hematology/Oncology, Department of Medicine, University of Miami School of Medicine, Miami, Florida.