Professor of Medicine, Epidemiology and Social Work, University of Chicago

University of Toronto, Division of Social and Behavioural Health Sciences

Professor, Columbia University and New York State Psychiatric Institute

Professor of Sociology, University of Alabama

Mississippi State University

Assistant Professor, Pennsylvania State University

Associate Professor, Louisiana State University

Family medicine specialist , Ministry of Health Malaysia

MD, phD, Centre Hospitalier Alpes Isere et SUAL, CH Le Vinatier - Lyon