1. The effectiveness of helmets in bicycle collisions with motor vehicles: a case–control study;Bambach;Accid. Anal. Prev.,2013
2. Cabinet Office of Japan, 2019a. Annual Report on the Declining Birthrate 2019. Last accessed 28 January 2021. .
3. Cabinet Office of Japan, 2019b. White Paper on Traffic Safety in Japan 2019. Last accessed 28 January 2021. .
4. Eppinger, R., et al., 1999. Development of Improved Injury Criteria for the Assessment of Advanced Automotive Restraint System-II. National Highway Traffic Safety Administration, U.S. Department of Transportation. Last accessed 28 January 2021. .
5. FMVSS 208 49 CFR Part 572 Anthropomorphic Test Devices.