In error, Dr Nandita Gupta was missed off the list of authors for this paper. The correct author list should read:

S. Mahajan¹*†, R. Aalinkeel¹, P. Shah², S. Singh³, N. Gupta¹ and N. Kochupillai¹

¹ Department of Endocrinology and Metabolism, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India

² Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas, MD Anderson Cancer Center, Box 301402, Houston, TX 77230, USA

³ Department of Obstetrics and Gynaecology, Joan C Edwards School of Medicine, 1600 Medical Center Drive, P.O. Box 4500, Huntington, VA 25701, USA

†Present address: Department of Medicine, Div of Allergy, Immunology, and Rheumatology, 310 Multi Research Bldg, Buffalo General Hospital, 100 High Street, Buffalo, NY 14 203, USA.

*Corresponding author: Dr Supriya D. Mahajan, fax +1 716 859 2999, email smahajan@buffalo.edu