Received: 12 May 2020
Accepted: 6 June 2020
First Online: 13 June 2020
Compliance with ethical standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the patients included in the study.
: The authors declare that they have no conflicts of interest.