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2. The Korea Transport Institute. Report of cycling infrastructure by local government, 2010. 2012 [cited 29 April 2017]. https://www.koti.re.kr/user/bbs/BD_selectBbs.do?q_clCode=&q_searchKeyTy=&q_searchVal=&q_bbsCode=1012&q_bbscttSn=20160713141415356&q_rowPerPage=10&q_currPage=2&q_bbsSortType=&.
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4. Statistics Korea. 2010 population census 2011 [cited 8 June 2017]. http://kosis.kr/statisticsList/statisticsList_01List.jsp?vwcd=MT_ZTITLE&parentId=A-SubCont.
5. Epidemiology of nonfatal bicycle injuries presenting to United States emergency departments, 2001–2008;WS Chen;Acad Emerg Med,2013