HOD and Senior Consultant, Pulmonologist, Chest Clinic, 3F, Cowley Brown Road
*Address for Correspondence: Mohankumar Thekkinkattil, MD, DSC, AB, DPPR, FCCP, FNCCP, FIASM, HOD and Senior Consultant Pulmonologist, Chest Clinic, 3F, Cowley Brown Road, Coimbatore 6410002, India. Email: drtmkcbe@gmail.com
