Pulmonary Disease, Chronic Obstructive

• Regional Pulmonary Clinic, Clalit Health Services — Haifa, Israel
• Regional Clinic for Pulmonary Disease, Haifa and Western Galilee, Clalit Health Services — Haifa, Israel

• University Medical Centre Groningen — Groningen, Provincie Groningen, Netherlands

Not specified

• Novartis Investigative Site — Baulkham Hills, New South Wales, Australia
• Novartis Investigative Site — Brookvale, New South Wales, Australia
• Novartis Investigative Site — Castle Hill, New South Wales, Australia
• Novartis Investigative Site — Dapto, New South Wales, Australia

• Novartis Investigative Site — Leipzig, Germany
• Novartis Investigative Site — Berlin, Germany
• Novartis Investigative Site — Berlin, Germany
• Novartis Investigative Site — Berlin, Germany

• Chest Hospital, Ministry of Health and Welfare — Kaohsiung City, Taiwan

• Univerity Hospital Centre Zagreb — Zagreb, Croatia

• University of Modena and Reggio Emilia — Modena, Italy

• University of Michigan at Ann Arbor — Ann Arbor, Michigan, United States

• Institut universitaire de cardiologie et de pneumologie de Québec — Québec, Quebec, Canada