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Article History

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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