1. Institute of Microbiology & Molecular Genetics, University of the Punjab, Lahore 54590, Pakistan
2. Center for Clinical Microbiology, Division of Infection and Immunity, University College, Royal Free Hospital Campus,London, NW3 2PF, UK
3. Allama Iqbal Medical College, Jinnah Hospital, Lahore, 54550, Pakistan
4. Citilab & Research Center, Lahore, 5303, Pakistan