Document is current

Article History

Received: 15 May 2023

Accepted: 6 June 2023

First Online: 26 June 2023

Declarations

:

: This study is based on data from the Medicare Physician Service Records Data Base. These records encompassed diagnoses and treatments rendered in medical offices, outpatient clinics, hospitals, emergency departments, skilled nursing home, and other healthcare facilities. They were compiled by the Centers for Medicare and Medicaid Services (CMS), and after de- identification were made available for researcher, known as the Limited Data Set (LDS). Since the CMS data is deidentified, IRB approval was waived by the ethic committee of the University Hospital Regensburg. This work was performed in accordance with the Declaration of Helsinki.

: Not applicable.

: The authors declare that they have no competing interests.