1. Division of Pulmonary and Critical Care Medicine Brigham and Women's Hospital Boston Massachusetts USA
2. Rector Clinical Skills and Simulation Center Thomas Jefferson University Philadelphia Pennsylvania USA
3. Department of Emergency Medicine Vituity, and University of Kansas School of Medicine Wichita Kansas USA
4. UAB Libraries University of Alabama at Birmingham Birmingham Alabama USA
5. Department of Anesthesiology and Perioperative Medicine University of Alabama at Birmingham Birmingham Alabama USA