1. Department of Hematology, Fukushima Medical University, Japan
2. Department of Pulmonary Medicine, Fukushima Medical University, Japan
3. The Japanese Collaborative Research Group (JCRG) on Acquired Coagulopathies supported by the Japanese Ministry of Health, Labor, and Welfare, Japan
4. Department of Molecular Patho-Biochemistry and Patho-Biology, Yamagata University School of Medicine, Japan
5. Department of Diagnostic Pathology, Fukushima Medical University, Japan