- Correspondence to Professor Irina Guseva Canu, Department of Occupational and Environmental Health, Unisanté, University of Lausanne, 1066 Epalinges-Lausanne, Switzerland;
- Received March 3, 2020
- Revised June 17, 2020
- Accepted June 25, 2020
- First published July 31, 2020.
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