Ipilimumab alone or in combination with nivolumab in patients with advanced melanoma who have progressed or relapsed on PD-1 blockade: clinical outcomes and translational biomarker analyses ============================================================================================================================================================================================= * Claire F Friedman * Christine Spencer * Christopher R Cabanski * Katherine S Panageas * Daniel K Wells * Antoni Ribas * Hussein Tawbi * Katy Tsai * Michael Postow * Alexander Shoushtari * Paul Chapman * Joyson Karakunnel * Samantha Bucktrout * Pier Gherardini * Travis J Hollmann * Richard O Chen * Margaret Callahan * Theresa LaVallee * Ramy Ibrahim * Jedd Wolchok