1. Laboratory of Molecular Diagnostics (Y.I., Y.L., K.S.), Department of Mycobacteriology, Leprosy Research Center, National Institute of Infectious Diseases, Tokyo 189–0002, Japan;
2. Thyroid Disease Institute (K.Y., M.K., Y.S., E.Y, T.Y.), Kanaji Thyroid Hospital, Tokyo 114–0015, Japan;
3. Department of Medicine (D.F.S.), Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814