1. Department of General Medicine, Government Medical College, Kozhikode, India.
2. Department of Internal Medicine, Badr Al Samaa Hospital, Barka, Oman.
3. Padma Yog Sadhana, A Unit of Terna Public Charitable Trust, Navi Mumbai, India.
4. Joshi Clinic, Lilavati Hospital and Bhatia Hospital, Mumbai, India.