Generalized Anxiety Disorder

• Pfizer Investigational Site — Beverly Hills, California, United States
• Pfizer Investigational Site — Encino, California, United States
• Pfizer Investigational Site — National City, California, United States
• Pfizer Investigational Site — Newport Beach, California, United States

• Massachusetts General Hospital — Charlestown, Massachusetts, United States

• Anxiety Disorders Clinic, University of British Columbia — Vancouver, British Columbia, Canada

• Research Site — Fort Myers, Florida, United States
• Research Site — Gainsville, Florida, United States
• Research Site — Miami, Florida, United States
• Research Site — Sarasota, Florida, United States

Not specified

• Birmingham, Alabama, United States
• Mesa, Arizona, United States
• Scottsdale, Arizona, United States
• Irvine, California, United States

• University of Cincinnati Medical Center — Cincinnati, Ohio, United States

• Istituto Auxologico Italiano — Milan, Italy

Not specified

• Research Site — Birmingham, Alabama, United States
• Research Site — Tucson, Arizona, United States
• Research Site — Arcadia, California, United States
• Research Site — Beverly Hills, California, United States