Emphysema

• Caritas St. Elizabeth's Medical Center — Boston, Massachusetts, United States
• Temple University Lung Center — Philadelphia, Pennsylvania, United States

• National Heart, Lung and Blood Institute (NHLBI) — Bethesda, Maryland, United States

• The Prince Charles Hospital — Rode Road, Chermside, Queensland, Australia
• The Alfred Hospital — Prahran, Victoria, Australia
• Concord Repatriation General Hospital — Burwood, Australia
• Irmandade Santa Casa de Misericordia — Porto Alegre, Brazil

Not specified

• Policlinico Tor Vergata University — Rome, Italy

• Servei Pneumologia. Hospital Universitari Son Dureta — Palma de Mallorca, Balearic Islands, Spain

• Caritas Centre for Lung Health — Edmonton, Alberta, Canada

• Kirksville College of Osteopathic Medicine — Kirksville, Missouri, United States

• Specialized Hospital for Active Treatment Pneumophthysiatric Disease "Kudoglu" — Plovdiv, Bulgaria
• Regional Dispensary for Pulmonary Diseases Rousse — Rousse, Bulgaria
• 5-th Multiprofile Hospital for Active Treatment — Sofia, Bulgaria
• MHAT "Alexandrovska" — Sofia, Bulgaria