1. Department of Pharmacology, New York Medical College, Valhalla, New York.
2. Medicine, New York Medical College, Valhalla, New York.
3. First Department of Pathology, Kansai Medical University, Moriguchi, Osaka, Japan.
4. Department of Laboratory Medicine, Toho University School of Medicine, Tokyo, Japan.
5. The Rockefeller University, New York, New York.