About the Authors
- Koji Wada
- Department of Public Health, Kitasato University School of Medicine, Sagamihara, Japan
- Derek R. Smith
- School of Health Sciences, Faculty of Health, University of Newcastle, Brush Road, Ourimbah, Australia
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KW. Performed the experiments: KW. Analyzed the data: KW. Contributed reagents/materials/analysis tools: KW. Wrote the paper: KW DRS.