VA Connecticut Healthcare System, West Haven, Connecticut, United States
Douglas Hospital Research Centre, Montreal, Quebec, Canada
University Medical Center Groningen, Groningen, RB, Netherlands
University of British Columbia, Vancouver, British Columbia, Canada
PRISM, New Haven, Connecticut, United States
Yale University School of Medicine Substance Abuse Treatment Unit, New Haven, Connecticut, United States
Yale University School of Medicine Substance Abuse Treatment Unit, New Haven, Connecticut, United States
Yale Cancer Center, New Haven, Connecticut, United States
Substance Abuse Treatment Unit, New Haven, Connecticut, United States
Ohio State University, Columbus, Ohio, United States
University of South Alabama, Mobile, Alabama, United States
Shanti Clinical Trials (NINDS-CRC site), Colton, California, United States
Yale Comprehensive Cancer Center, New Haven, Connecticut, United States
Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois, United States
New England Medical Center Hospital, Boston, Massachusetts, United States