1. Japan Drug Information Institute in Pregnancy, Tokyo, Japan,
2. Department of Pharmaceuticals, National Center for Child Health and Development, Tokyo, Japan,
3. Division for Evaluation and Analysis of Drug Information, Faculty of Pharmacy, Keio University, Tokyo, Japan,
4. Division of Maternal Medicine, Department of Perinatology, National Center for Child Health and Development, Tokyo, Japan, and
5. Chugai Pharmaceutical, Tokyo, Japan