Received: 21 July 2021
Accepted: 3 March 2022
First Online: 19 April 2022
: The Westat Institutional Review Board reviewed and approved the study. All methods were performed in accordance with relevant guidelines and regulations. Informed consent documents were sent to physicians in advance of the interview. At the beginning of the interview, the interviewer reviewed the informed consent document and asked physicians for verbal informed consent to participate in the study and to record the interview.
: Not applicable.
: The authors declare that they have no competing interests.