Min et al. Stem Cell Research & Therapy (2020) 11:509 https://doi.org/10.1186/s13287-020-02020-yRESEARCH Open AccessPotentiation of cord blood cell therapywith erythropoietin for children with CP: a2 × 2 factorial randomized placebo-controlled trialKyunghoon Min1,2?, Mi Ri Suh1?, Kye Hee Cho2,3, Wookyung Park1,2, Myung Seo Kang4, Su Jin Jang5,Sang Heum Kim6, Seonkyeong Rhie7, Jee In Choi2, Hyun-Jin Kim2, Kwang Yul Cha8 and MinYoung Kim1,2*AbstractBackground: Concomitant administration o...