Hooman Sharifi
Tobacco Prevention and Control Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
Mohammad Reza Masjedi
Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Disease (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran,
Habib Emami
Tobacco Prevention and Control Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
Mostafa Ghanei
Baqiyatallah Research Center of Gastroentrology and Liver Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
Sonia Buist
Oregon Health and Science University, Portland, Oregon, USA