Received: 15 February 2020
Accepted: 10 March 2020
First Online: 20 March 2020
Change Date: 4 May 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: Letter refers to a published article without new subjects.
: Both authors agree to publication.
: The authors declare that they have no competing interests.