Received: 6 July 2020
Accepted: 24 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: The letter does not include data from patients and as such does not require ethical approval. Because no patients were involved in the study no patient consent can be obtained.
: The authors all give their consent for publication of the manuscript.
: There are no competing interests for any of the authors.