Article History
Received: 6 March 2019
Accepted: 12 March 2019
First Online: 21 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Study authors selected and consented attending physicians from a pool of physicians who regularly supervise residents. The study protocol was approved by MGH Institutional Review Board. No specifical information about Human and animal rights statement were provided by study authors.
: For this type of study, formal consent is not required.