1. From the Dermato‐Venereology (Skin/VD) Centre, Sehgal Nursing Home, Panchwati, Azadpur, Delhi, India;
2. Department of Dermatology and Venereology, Lady Hardinge Medical College, New Delhi, India;
3. Department of Pathology, Vallabhbhai Patel Chest Institute, University of Delhi, Dehli, India;
4. Department of Obstetrics and Gynaecology, Grant Medical College and Sir J. J. Group of Hospitals, Mumbai, India