Rakhee Sodhi, Rajendra Prasad1, R A S Kushwaha2, Surya Kant2, S K Verma2, Rajiv Garg2, Santosh Kumar2, Ajay Kumar Verma2, Ved Prakash2
Departments of Pulmonary Medicine, Government Medical College and Hospital, Chandigarh,
2King George’s Medical University, Lucknow, Uttar Pradesh,
1Vallabhbhai Patel Chest Institute, New Delhi, India