1. Department of Medical Technology, Kumamoto Health Science University, Kumamoto 861-5598, Japan
2. Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto University, Kumamoto 860-8556, Japan
3. Department of Clinical Chemistry and Informatics, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
4. Research and Development/Technology Research Laboratory, Shimadzu Corporation, Kyoto 604-8511, Japan
5. Department of Laboratory Medicine, Kumamoto University Hospital, Kumamoto 860-8556, Japan