已知函数\(f(x)(x∈R)\)满足\(f(x)=f(2-x)\)，若函数\(y=|x^{2}-2x-3|\)与 \(y=f(x)\) 图象的交点为\((x_{1},y_{1})\)，\((x_{2},y_{2})\)，\(…\)，\((x_{m},y_{m})\)，则\( \sum\limits_{i=1}^{m}x_{i}=(\)　　\()\)