1 Department of Medicine, Oncology Centre, Indian Naval Hospital Ship, Asvini, Colaba, Mumbai, India.
2 Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Optimal Cancer Care Alliance, Ann Arbor, USA.
3 Division of Medical Oncology, Princess Margaret Cancer Centre and University of Toronto, Toronto, Canada; Optimal Cancer Care Alliance, Ann Arbor, USA. Electronic address: ian.tannock@uhn.ca.