Received: 8 July 2020
Accepted: 12 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: The study “Work of Breathing: Development and Validation of a Simple Bedside Scale” was approved by the Edward Hines, Jr. VA Hospital/Capt. James Lovell FHCC Institutional Review Board, protocol number 1025647-7.
: Written informed consent was obtained from the volunteer for publication of this Research Letter and any accompanying images.
: The authors declare that they have no competing interests.