Article History
Received: 14 July 2020
Revised: 15 August 2020
Accepted: 24 August 2020
First Online: 30 August 2020
Compliance with ethical standards
:
: The author(s) declare that they have no competing interests.
: The study was approved by the local ethics committee (approval number 20-233) and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Details that might disclose the identity of the subjects under study are omitted.