V. Radha* and V. Mohan Department of Molecular Genetics, Madras Diabetes Research Foundation, #20, Golden Jubilee Biotech Park for Women Society, SIPCOT, Siruseri, Chennai 603 103, India Dr Mohan’s Diabetes Specialities Centre, World Health Organization Collaborating Centre for Non-Communicable Diseases Prevention and Control and ICMR-Centre for Advanced Research on Diabetes, Chennai 600 086, I...