Document Type : Letter to Editor
Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
Persian Medicine Network (PMN), Universal Scientific Education and Research Network (USERN), Tehran, Iran.