1. Environmental Biology Section, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
2. JEOL Resonance Inc., Tokyo 196-8558, Japan
3. Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
4. Faculty of Pharmacy, Hue University of Medicine and Pharmacy, 06 Ngo Quyen, Hue, Vietnam
5. Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
6. Sonoma State University, Rohnert Park, California 94928, United States