h1Senior Resident, All India Institute of Medical Sciences, Rishikesh
h2Senior Resident, Post Graduate Institute of Medical Education and Research, Chandigarh
h3Senior Resident, Gandhi Medical College, Secunderabad
h4Senior Resident, Dr. RML Medical College, Delhi
Corresponding Author: Dr Sudheer Tale, Senior Resident, Department of Pulmonary Medicine, All India Institute of Medical Sciences, Rishikesh
moc.liamg@reehduselatrd, Ph no: 8872156777
Received 2020 Jun 10; Accepted 2020 Aug 12.
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