1. Division of Pathology, Department of Laboratory Medicine, Osaka Medical College Hospital, Takatsuki, Osaka,
2. Department of Internal Medicine, Itami City Hospital, Itami, Hyogo,
3. Gene Diagnostic Center, Otsuka Assay Laboratories, Kawauchi, Tokushima,
4. Department of Pathology, Hyogo College of Medicine, Nishinomiya, Hyogo and
5. Department of Pathology, Osaka Medical College, Takatsuki, Osaka, Japan