1. Institute of Life Sciences, Nalco Square, Bhubaneswar, India.
2. Regional Centre for Biotechnology, Faridabad, India.
3. Ear, Nose, and Throat (ENT) Unit, Capital Hospital, Unit VI, Bhubaneswar, India.
4. Department of Ear, Nose, and Throat (ENT), Shrirama Chandra Bhanja (SCB) Medical College and Hospital, Cuttack, India.