1. Long workhours and health
2. Health Problems due to Long Working Hours in Japan: Working Hours, Workers' Compensation (Karoshi), and Preventive Measures
3. OECD. [Online].2016[cited 2017 Apr. 3]; Available from: URL:http://www.oecd.org/gender/data/balancingpaidworkunpaidworkandleisure.htm
4. Directive 2003/88/EC of the European Parliament and of the Concil of 4 November 2003 concering certain aspects of the organisation of working time;European Parliament Council;Official Journal of the European Union,2003
5. Ministry of Health Labour and Welfare home page.The White Paper on Prevention of Karoshi (Death caused by Overwork). [Online].2016[cited 2017 Apr. 3]; Available from: URL:http://www.mhlw.go.jp/wp/hakusyo/karoushi/16/dl/16‐1.pdf(Japanese).