1. Varanasi, India
2. Division of Endocrinology, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221 005 (India)
3. Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221 005 (India)
4. Department of Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221 005 (India)