Received: 7 September 2020
Accepted: 9 June 2021
First Online: 22 June 2021
: This study was approved by The Washington University in St. Louis Human Research Protection Office (IRB # 201901055). Informed consent was not obtained from patients due to the retrospective nature of the study and the absence of any identifiable information in the collected data.
: Not applicable.
: The authors (TRM, AKL, EBC, and AEV) declare that they have no competing interests.