1. Department of Clinical Laboratory Sciences, School of Health Sciences, Fukushima Medical University, Japan
2. Department of Clinical Laboratory, Fukushima Medical University Hospital, Japan
3. Department of Clinical Laboratory, Aiiku Hospital, Japan
4. Department of Laboratory Medicine, Kitano Hospital, The Tazuke Kofukai Medical Research Institute, Japan
5. Division of Clinical Laboratory and Blood Transfusion, University of the Ryukyus Hospital, Japan
6. Department of Hygiene and Preventive Medicine, School of Medicine, Fukushima Medical University, Japan
7. Department of Pediatrics, Division of Infectious Diseases, Kitano Hospital, The Tazuke Kofukai Medical Research Institute, Japan
8. Department of Laboratory Medicine, School of Medicine, Fukushima Medical University, Japan