1 Department of Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
2 Department of Internal Medicine (Adult Clinical Hematology and Bone Marrow Transplant Unit), Postgraduate Institute of Medical Education and Research, Chandigarh, India.
3 Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India.