Department of Biostatistics and Epidemiology, Auckland University of Technology

London Health Science Centre, London, Ontario. Western University. McMaster University.

School of Public Health, University of São Paulo

Professor of Community Health & Epidemiology, University of Saskatchewan

Professor, Preventive Medicine and Public Health, Universidad de Cantabria, Santander

Research Fellow, Monash University

African Population and Health Research Center (APHRC)

Istituto Superiore di Sanità

​Shigakkan University

Interdisciplinary School of Health Sciences, University of Pune