Grant R. Williams, Amy Mackenzie, Allison Magnuson, Rebecca Olin, Andrew Chapman, Supriya Mohile, Heather Allore, Mark R. Somerfield, Valerie Targia, Martine Extermann, Harvey Jay Cohen, Arti Hurria, Holly Holmes. Journal of Geriatric Oncology, July 2016 Volume 7, Issue 4, Pages 249–257