1. Department of Medical Technology, Graduate School of Health Sciences, Okayama University, Okayama 700-8558, Japan
2. Department of Pathology and Experimental Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama University, Okayama 700-8558, Japan
3. College of Human Life and Environment, Kinjo Gakuin University, Nagoya 463-8521, Japan
4. Academic Field of Health Science, Okayama University, Okayama 700-8558, Japan
5. Department of Medical Technology, Ehime Prefectural University of Health Sciences, Ehime 791-2101, Japan
6. HeiLongjiang Provincial Center for disease control and prevention, Harbin 150030, China