Clinical relevance and plasmid dynamics of mcr-1-positive Escherichia coli in China: a multicentre case-control and molecular epidemiological study oleh Yan Jiang, PhD, Ying Zhang, PhD, Jun Lu, MS, Qihui Wang, MS, Yushan Cui, MS, Yanfei Wang, MS, Jingjing Quan, PhD, Dongdong Zhao, MD, Xiaoxing Du, MS, Haiyang Liu, MS, Xi Li, PhD, Xueqing Wu, PhD, Xiaoting Hua, PhD, Ye Feng, PhD, Yunsong Yu, ProfMD