Received: 13 May 2020
Accepted: 2 July 2020
First Online: 14 July 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1975 Helsinki Declaration and its later amendments or comparable ethical standards. All the patients included in the clinical database gave consent to use their own data for research purposes. This article does not contain any studies involving animals performed by any of the authors. For using anonymized administrative databases, no ethics approval is required.
: Informed consent was obtained from all individual participants included in the study.