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Article History

Received: 10 January 2018

Accepted: 13 March 2019

First Online: 3 April 2019

Ethics approval and consent to participate

: The study findings are based on anonymous administrative data. This study is therefore exempt from ethical clearance according to the regulations of the Medical Ethics Committee of the Medical Faculty of Heidelberg University. Individual consent was not required due to the retrospective and anonymous nature of the study.

: The study findings are based on anonymous administrative data. Consent for publication is not required.

: The material submitted in this manuscript is original and has not been submitted elsewhere. BJ was public health officer in the public health authority Karlsruhe until 2015. UW is public health officer in the public health authority Karlsruhe, Section for Disease Control, mandating the TB screening in the state reception centre Karlsruhe. CS is full time employee of Boehringer Ingelheim Pharma GmbH & Co. KG since October 2018. The company had no role in the design, analysis or interpretation of this study. Views expressed in this article are those of the authors and do not necessarily reflect those of Boehringer Ingelheim Pharma GmbH & Co. KG. The authors declare that they have no competing interests.

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