Masoume Pouladi ¹ , Reyhaneh Zahiri ² , Seyed Bashir Mirtajani <sup>3*

1</sup> Department of Gastroenterology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
² Pulmonary Rehabilitation Research Center (PRRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
³ Lung Transplant Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran

*Corresponding Author: Seyed Bashir Mirtajani, Email: b.mirtajani@theaasm.org