[1
]
Department of Medical Oncology, Princess Margaret Cancer Centre, 610 University Avenue,
Toronto, Ontario M5G 2M9, Canada.
[2
]
Department of Biostatistics, Princess Margaret Cancer Centre, 610 University Avenue,
Toronto, Ontario M5G 2M9, Canada.
[3
]
Department of Medical Oncology, Princess Margaret Cancer Centre, 610 University Avenue,
Toronto, Ontario M5G 2M9, Canada; Department of Gastroenterology, Edouard Herriot
Hospital, 5 place d'Arsonval, 69003 Lyon, France.
[4
]
Department of Medical Oncology, Princess Margaret Cancer Centre, 610 University Avenue,
Toronto, Ontario M5G 2M9, Canada; Department of Medical Oncology, Waterford Regional
Hospital, Waterford, Ireland.
[5
]
Department of Medical Oncology, Princess Margaret Cancer Centre, 610 University Avenue,
Toronto, Ontario M5G 2M9, Canada. Electronic address: jennifer.knox@uhn.on.ca.