Mayo Clinic Jacksonville, Jacksonville, Florida, United States
Mayo Clinic, Rochester, Minnesota, United States
Mayo Clinic, Rochester, Minnesota, United States
Mayo Clinic, Rochester, Minnesota, United States
Good Samaritan Hospital, Los Angeles, California, United States
Loyola University, Maywood, Illinois, United States
Johns Hopkins Hospital, Baltimore, Maryland, United States
Mayo Clinic, Rochester, Minnesota, United States
Mayo Clinic Nicotine Research Program, Rochester, Minnesota, United States
Mayo Clinic, Rochester, Minnesota, United States