1. Division of Hematology/Oncology, Department of Medicine, Kameda Medical Center, Kamogawa-shi, Japan
2. Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
3. Department of Hematology, Fujita Health University School of Medicine, Toyoake, Japan
4. Division of Pathology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
5. Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
6. Department of Pathology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan