1. Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, Okhla, New Delhi-110025, India
2. Ansari Health centre, Jamia Millia Islamia, Okhla, New Delhi-110025, India
3. Department of Pulmonary Rehabilitation, Metro Centre for Respiratory Diseases, Metro Hospital and Multispecialty Institute, Noida, Uttar Pradesh- 201301, India
4. Department of Pulmonology Allergy Sleep and Critical Care Medicine, Metro Centre for Respiratory Diseases, Metro Hospital and Multispecialty Institute, Noida, Uttar Pradesh- 201301, India