Assessment of hyperprogression versus the natural course of disease development with nivolumab with or without ipilimumab versus placebo in phase III, randomized, controlled trials ==================================================================================================================================================================================== * Yoon-Koo Kang * Martin Reck * Paul Nghiem * Yan Feng * Gregory Plautz * Hye Ryun Kim * Taofeek K Owonikoko * Narikazu Boku * Li-Tzong Chen * Ming Lei * Han Chang * Wen Hong Lin * Amit Roy * Akintunde Bello * Jennifer Sheng