Pakistan Health Research Council, Head Office, Islamabad, Pakistan;
Pakistan Health Research Council, Head Office, Islamabad, Pakistan;
Pakistan Health Research Council, Head Office, Islamabad, Pakistan;
Pakistan Health Research Council, Head Office, Islamabad, Pakistan;
Pakistan Health Research Council, Research Centre, Nishtar Medical College, Multan, Pakistan;
Pakistan Health Research Council, Research Centre, King Edward Medical University, Lahore, Pakistan;
Pakistan Health Research Council, Research Centre, Jinnah Postgraduate Medical Centre, Karachi, Pakistan;
Pakistan Health Research Council, Research Centre, Khyber Medical College, Peshawar, Pakistan;
Pakistan Health Research Council, Head Office, Islamabad, Pakistan;