1. Department of Internal Medicine, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, Pakistan
2. Department of Cancer Registry and Clinical Data Management, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, Pakistan
3. Consultant Pulmonology & Critical Care Medicine, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, Pakistan
4. Consultant Pulmonology, Shaukat Khanum Memorial Cancer Hospital & Research Center, Lahore, Pakistan