Pulmonary Emphysema

• Ente Ecclesiastico, Ospedale Generale Regionale "F. Miulli" — Acquaviva delle Fonti, Italy
• A.O.R.N. "A. Cardarelli" — Naples, Italy
• Fondazione Policlinico Universitario A. Gemelli IRCCS — Rome, Italy
• University of Trento — Trento, Italy

Not specified

• David Geffen School of Medicine at UCLA — Los Angeles, California, United States
• Los Angeles Biomedical Research Institute at Harbor UCLA Medical Center — Torrance, California, United States
• American Health Research — Charlotte, North Carolina, United States
• Upstate Pharmaceutical Research — Greenville, South Carolina, United States

• St. Vincent's Hospital Melbourne — Fitzroy, Victoria, Australia
• St. Vincent's Private Hospital Fitzroy — Fitzroy, Victoria, Australia

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of California San Diego — San Diego, California, United States
• The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center — Torrance, California, United States
• National Jewish Health — Denver, Colorado, United States

• Ruhrlandklinik Essen - Universitätsmedizin — Essen, Germany
• University Hospital of Zurich — Zurich, Switzerland
• Royal Brompton Hospital — London, United Kingdom

• Pulmonary Medicine, Thoracic Oncology and Respiratory Intensive Care Department, Rouen University Hospital — Rouen, France

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

• Thoraxklinik Heidelberg — Heidelberg, Germany

• UCLA David Geffen School of Medicine — Los Angeles, California, United States