1. Division of Pulmonary and Critical Care, and
2. Division of General Internal Medicine, Icahn School of Medicine at Mount Sinai, New York, New York;
3. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota;
4. Departamento de Neumología, Clinica Universidad de Navarra, Pamplona, Spain;
5. Pulmonary Division, Queen’s University, Kingston, Ontario, Canada; and
6. Division of Pulmonary, Critical Care and Sleep Medicine, University of Colorado, Denver, Colorado