Dyspnea

• Wake Forest University Baptist Medical Center, Department of Cardiology — Winston-Salem, North Carolina, United States
• Medical University of South Carolina and Ralph H. Johnson VA Medical Center — Charleston, South Carolina, United States

• Faculdade Evangelica do Paraná — Curitiba, Paraná, Brazil

Not specified

• VA Medical Center, Bronx — The Bronx, New York, United States

• Health Center Maribor, Center for Emergency Medicine — Maribor, Slovenia

• Service d'anesthésie reanimation SAMU 94 - CHU H MONDOR - APHP — Créteil, Île-de-France Region, France

• Greater Los Angeles VA Healthcare System — Los Angeles, California, United States

• HELIOS-Klinikum / University of Witten/Herdecke — Wuppertal, North Rhine-Westphalia, Germany

• Division of Neonatology; University Hospital La Fe — Valencia, Spain

• University of California, San Diego — San Diego, California, United States
• Veterans Affairs Medical Center — San Diego, California, United States
• University of California, San Francisco — San Francisco, California, United States
• University of Maryland — Baltimore, Maryland, United States