The equal contributors statement should read: “XH and ESS are Joint first authors. HMK and LJ are Joint senior authors.” The ‘Contributions’ section at the end of the paper should read: “ESS, XZ, MLI, JL, XL, LJ, JAS, FAM, HMK, LJ: study concept and design; All authors except XY, HZ are involved in designing the study text messages; XH, XZ, HZ, XY, XL are involved in the implementation of the p...