Received: 12 June 2020
Accepted: 21 August 2020
First Online: 31 August 2020
Compliance with ethical standards
: There are no conflicts of interest, including specific financial interests, relationships, and affiliations relevant to the subject materials described in this manuscript.
: All study protocols were in accordance with the principles of the Helsinki Declaration. We removed personal identifiers and anonymized all data, which exempted the study from the need to obtain informed consent from patients.