Top-squark in natural SUSY under current LHC run-2 data Chengcheng Han, Jie Ren, Lei Wu, Jin Min Yang and Mengchao Zhang Eur. Phys. J. C, 77 2 (2017) 93 Published online: 11 February 2017 DOI: 10.1140/epjc/s10052-017-4662-7