1. Department of Community Medicine, Goa Medical College, Goa, India
2. Department of General Medicine, P.S.G.
Hospitals & Research Center, Coimbatore, Tamil Nadu, India
3. Department of General Medicine, P.S.G.
Hospitals & Research Center, Coimbatore, Tamil Nadu, India;
4. Department of Endocrinology & Metabolism, Lancashire
Teaching Hospitals NHS Trust, Preston, UK
5. Faculty of Science, Manchester Metropolitan University, All Saints
Building, Manchester, M15 6BH, UK