1. 1Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine, Yamagata, Japan
2. 2Division of Hematology and Cell Therapy, Department of Internal Medicine III, Yamagata University School of Medicine, Yamagata, Japan
3. 3Keio University Hospital, Tokyo, Japan
4. 4Division of Pediatric Hematology and Oncology, Department of Pediatrics, Herman B. Wells Center for Pediatric Research, Simon Cancer Center, Indiana University School of Medicine, Indianapolis, IN
5. 5Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX