Parkinson Disease

• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Antwerp, Belgium
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Edegem, Belgium
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Ghent, Belgium
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Montigny-le-Tilleul, Belgium

• Orion Pharma GmbH — Hamburg, Germany

• Neurologische Klinik der Charité, Augustenburgerplatz 1 — Berlin, Germany
• Neurologische Klinik der Universität, Gleuelerstr. 50 — Cologne, Germany
• Neurologische Klinik der Universität, Moorenstr. 5 — Düsseldorf, Germany
• Neurologische Klinik der Universität, Neuenheimerfeld 400 — Heidelberg, Germany

Not specified

• Pfizer Investigational Site — Portland, Oregon, United States

• PET center, Aarhus University Hospital — Aarhus, Denmark

• Emory University School of Medicine — Atlanta, Georgia, United States

• Emory University — Atlanta, Georgia, United States

• Vanderbilt University — Nashville, Tennessee, United States

• Emory University Medical School/Wesley Woods Hospital — Atlanta, Georgia, United States