1. Okayama University Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama City, Japan
2. Ophthalmology, Okayama University Hospital and Okayama University Medical School, Okayama City, Japan
3. Pediatrics, Okayama University Hospital and Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama City, Japan