1. Department of Physiology, Government Medical College, Thiruvananthapuram, Kerala, India
2. Department of Physiology, Vinayaka Mission Kirupananda Variyar Medical College, Salem, Tamil Nadu, India
3. Department of Pharmacology, Vinayaka Mission Kirupananda Variyar Medical College, Salem, Tamil Nadu, India
4. Department of Physiology, ESIC Medical College, Bengaluru, Karnataka, India,