1. Department of Endocrinology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
2. Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
3. Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
4. Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
5. Barbara Davis Centre for Diabetes, School of Medicine University of Colorado, Aurora, Colorado, USA