Smoking

• San Francisco General Hospital — San Francisco, California, United States
• UCSF Adult Primary Care Mt. Zion Clinic — San Francisco, California, United States

• Oregon Research Institute — Eugene, Oregon, United States

• University of Connecticut Halth Center — Farmington, Connecticut, United States

• Institut du Cancer de Montpellier - Val d'Aurelle — Montpellier, France

• Gerencia de Atención Primaria — Madrid, Spain

• GSK Investigational Site — Berlin, Germany

• Center for Diabetes Research, Department of Medicine, Gentofte Hospital — Hellerup, Copenhagen, Denmark

• Claremont Graduate University — Claremont, California, United States
• California State University Fullerton — Fullerton, California, United States

Not specified

• McKeesport High School — McKeesport, Pennsylvania, United States
• Carrick High School — Pittsburgh, Pennsylvania, United States
• Schenley High School — Pittsburgh, Pennsylvania, United States