Updates are available Correction dated 2018-09-10

Article History

Received: 7 February 2018

Accepted: 18 April 2018

First Online: 1 June 2018

Change Date: 10 September 2018

Change Type: Correction

Change Details: Unfortunately, after publication of this article [1], it was noticed that Fig. 2 is incorrect.

Ethics approval and consent to participate

: Ethical approval for the study was granted by the Ethical Review Board of Gothenburg, Sweden. Informed consent from the patients was not needed as the study only involved quality register linkage and no actual handling of patients.

: The authors declare that they have no competing interests.

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