Department of Endocrinology, Nilratan Sircar Medical College and Hospital, Kolkata, West Bengal, India. Electronic address: rahulvals@gmail.com. GD Hospital & Diabetes Institute, Kolkata, West Bengal, India. Electronic address: draksingh_2001@yahoo.com. Department of Endocrinology, Fortis Hospitals, Peerless Hospitals, Kolkata, West Bengal, India. Electronic address: jaykal69@hotmail.com. Division of Internal Medicine, Woodlands Multispeciality Hospital, Kolkata, West Bengal, India. Electronic address: biswa.dasti@gmail.com. Department of Diabetology, ILS Hospitals, Kolkata, West Bengal, India; Department of Diabetes, S V S Marwari Hospital, Kolkata, West Bengal, India. Electronic address: drgsgoyal@hotmail.com. Medicine and Diabeto-cardiology, Mission of Mercy Hospital, GD Hospital and Diabetes Institute and Islamia Hospital, Kolkata, West Bengal, India. Electronic address: batinmasood@gmail.com. Medicine & Chief of Rheumatology Clinic, K.P.C Medical College, Kolkata, West Bengal, India. Electronic address: dr.dibyendu@gmail.com. Nephrology, Fortis Hospitals, Kolkata, India, West Bengal, India. Electronic address: uplainpgi@gmail.com. Nutrition & Diabetes, Department of Diabetes & Endocrinology, Apollo Gleneagles Hospitals, Kolkata, West Bengal, India. Electronic address: sanjay_doc@yahoo.co.in. Department of Endocrinology, Nilratan Sircar Medical College and Hospital, Kolkata, West Bengal, India. Electronic address: drnilanjansengupta@gmail.com.