- Correspondence to Ms. Emma Lise Thorlund Jakobsen, Department of Occupational Medicine, Danish Ramazzini Centre, Regional Hospital West Jutland – University Research Clinic, Gl. Landevej 61, 7400, Herning, Denmark;
- Received 7 March 2017
- Revised 5 July 2017
- Accepted 20 July 2017
- Published online 15 January 2018.
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