Signs and Symptoms, Respiratory

• Alaska Cardiovascular Research Foundation — Anchorage, Alaska, United States
• Palm Beach Heart Institute — Atlantis, Florida, United States
• Fort Wayne Cardiology — Fort Wayne, Indiana, United States
• Genesis Medical Center — Davenport, Iowa, United States

• Capital Health — Edmonton, Alberta, Canada
• McMaster University Medical Centre — Hamilton, Ontario, Canada
• Melimar Allergy Laboratory — Toronto, Ontario, Canada
• JDM Research — Toronto, Ontario, Canada

• Centro Cardiologico Monzino, University of Milan — Milan, Italy

• Carmel Medical Center — Haifa, Israel

• Toronto General Hospital, University Health Network — Toronto, Ontario, Canada

• Royal Prince Alfred Hospital — Camperdown, New South Wales, Australia

• Centre Hospitalier de l'Université de Montréal-Hôpital Notre-Dame — Montreal, Quebec, Canada

Not specified

• Henry Ford Macomb Hospital — Clinton Township, Michigan, United States

Not specified