Aga Khan University, Karachi, Pakistan;
Aga Khan University, Karachi, Pakistan;
Barts and The London School of Medicine and Dentistry, London, England;
Aga Khan University, Karachi, Pakistan;
Dow University of Health Sciences, Karachi, Pakistan;
Dow University of Health Sciences, Karachi, Pakistan;
Department of Pathology and Microbiology, Aga Khan University, Karachi, Pakistan;