1. Department of Respiratory Medicine, Shimoga Institute of Medical Sciences (SIMS), Shivamogga, Karnataka, India
2. Multidisciplinary Research Unit (MRU), Shimoga Institute of Medical Sciences (SIMS), Shivamogga, Karnataka, India
3. Department of Respiratory Medicine, JSS Medical College, JSSAHER, Mysore, India
4. Department of General Medicine, Shimoga Institute of Medical Sciences (SIMS), Shivamogga, Karnataka, India