- Correspondence to Dr Rahman Shiri, Finnish Institute of Occupational Health, FI-00032 Työterveyslaitos, Finland;
- Received April 12, 2019
- Revised July 25, 2019
- Accepted July 30, 2019
- First published August 29, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.