Professor of Medicine, Dana-Farber Cancer Institute and Harvard Medical School

Kaiser Permanente Northern California

Professor of Surgery and Oncology, University of Calgary

Mayo Clinic Cancer Center

University of Sydney

Cleveland Clinic

Tabriz University of Medical Sciences

Professor of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University

MD Anderson Cancer Center

Professor of Radiation Oncology and Medicine, University of California San Francisco