Corrigendum: Arabidopsis PCaP2 Functions as a Linker Between ABA and SA Signals in Plant Water Deficit Tolerance - Wang, Xianling; Wang, Yu; Wang, Lu; Liu, Huan; Zhang, Bing; Cao, Qijiang; Liu, Xinyu; Bi, Shuangtian; Lv, Yanling; Wang, Qiuyang; Zhang, Shaobin; He, Ming; et al. (Frontiers in Plant Science, 2018)