Correction: SPOCK1 as a potential cancer prognostic marker promotes the proliferation and metastasis of gallbladder cancer cells by activating the PI3K/AKT pathway - Yi-Jun Shu; Hao Weng; Yuan-Yuan Ye; Yun-Ping Hu; Run-Fa Bao; Yang Cao; Xu-An Wang; Fei Zhang; Shan-Shan Xiang; Huai-Feng Li; Xiang-Song Wu; Mao-Lan Li; et al. (Molecular Cancer)