Professor of Medicine, Harvard Medical School, Brigham and Womens Hosp, Harvard Sch …

Professor, Dept. of Surgery, Washington University in St. Louis

YCMS Tsinghua; Senior Research Fellow at Fox / Temple U, Emeritus at Harvard U

National Heart, Lung, and Blood Institute

Professor of Clinical Epidemiology, University Medical Center Utrecht

Boston University

Retired, American Cancer Society

Monash University, BakerIDI

PhD Candidate, St George's University of London

Director, MRC Epidemiology Unit, University of Cambridge