1. Department of Endocrinology and Metabolism (R.G., N.G., D.R., N.T.), All India Institute of Medical Sciences, New Delhi 110029, India
2. Institute of Nuclear Medicine and Allied Sciences (R.K.M., S.S.), New Delhi 110054, India
3. Department of Obstetrics and Gynecology (D.G.), Maulana Azad Medical College, New Delhi 110002, India