Kim D-W et al. J Clin Oncol 2017; 35(22): 2490-2498. doi:10.1200/JCO.2016.71.5904 Please follow the link below to view this article in full on a third party website. Note that a subscription or payment may be required. http://ascopubs.org/doi/abs/10.1200/JCO.2016.71.5904