University of Glasgow.

Professor of Medicine, University of California

Dean of Medicine, University of New South Wales; Professorial Fellow, The George Institute

Indiana Univeristy

All India Institute of Medical Sciences

Nestlé Health Science, Bærum Hospital, Oslo University Hospital

Southern Medical University

CHU Montpellier

Department of Medicine, University of Perugia, ITALY

Associate Professor of Medicine, Icahn School of Medicine at Mount Sinai