Text and Data Mining valid from 2018-07-21
Received: 18 December 2017
Accepted: 5 July 2018
First Online: 21 July 2018
Ethics approval and consent to participate
: The study procedures were in accordance with local data protection regulations, and the study was approved by the Tartu University Research Ethics Committee. The analysis was based on preexisting records containing pseudo identification codes which allows tracking care provided to this person but not personal identification. Informed consent was deemed unnecessary according to national regulations.
: Not applicable.
: The authors declare that they have no competing interests.
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