Professor, University of Cape Town & London School of Hygiene and Tropical Medicine

Northwestern University

Professor of Medicine, Johns Hopkins University

University of Western Australia, Northwestern University Chicago, Royal Perth Hospital

PULMONARY MEDICINE DIVISION, HOSPITAL DE CLINICAS, UNIVERSIDAD DE …

Professor of Medicine, University of Connecticut School of Medicine

Professor of Medicine, Sri Venkateswara Institute of Medical Sciences, Tirupati

Professor of Clinical Infectious Diseases, Kepler University Hospital, Linz, Austria

Research Fellow, Alfa Institute of Biomedical Sciences

Mahatma Gandhi Medical college and research institute