Bleidorn, Johannes
Alamzad-Krabbe, Hanif
Gerhards, Benjamin https://orcid.org/0000-0003-0068-1136
Kraus, Thomas
Brand, Peter
Krabbe, Julia https://orcid.org/0000-0003-4205-9783
Martin, Christian
Article History
Received: 19 July 2018
Accepted: 11 December 2018
First Online: 4 February 2019
Competing Interests
: This work was supported by the Lieselotte and Dr. Karl Otto Winkler foundation for occupational medicine. The foundation had no influence on the study design, data collection and analysis, decision to publish or preparation of the manuscript.