Smoking Cessation

• University Hospital of North Norway — Tromsø, Norway

• Tobacco Dependence Research and Treatment Unit — London, United Kingdom

Not specified

• HAHO — Hong Kong, China
• Hong Kong Council on Smoking and Health — Hong Kong, China
• The University of Hong Kong — Hong Kong, China

• Hospital Universitari de Bellvitge — L'Hospitalet de Llobregat, Barcelona, Spain

• Central Kentucky Research Associates, Inc. — Lexington, Kentucky, United States

• Duke Center for Nicotine & Smoking Cessation Research — Charlotte, Durham, Raleigh, Winston-Salem, North Carolina, United States

• University of Vermont Human Behavioral Pharmacology Lab — Burlington, Vermont, United States

• University of Massachusetts Medical School — Worcester, Massachusetts, United States

• UCSF Langley Porter — San Francisco, California, United States