1. Center for Science of Environment, Resources and Energy; Graduate School of Science and Technology; Keio University; Yokohama; Kanagawa; 223-8522; Japan
2. Department of Pathology; Toho University Ohashi Medical Center; Meguro-ku; Tokyo; 153-8515; Japan
3. Department of Transfusion Medicine; Yokohama City University Hospital; Yokohama; Kanagawa; 236-0004; Japan
4. Department of Transfusion Medicine; The University of Tokyo Hospital; Bunkyo-ku; Tokyo; 113-8655; Japan