Acknowledgements
We gratefully acknowledge the strains collection assistance of eight general hospitals of China Mohnarin (Ministry of Health National Antimicrobial Resistant Investigation Net), including Shenzhen People’s Hospital, Guangzhou Children’s Hospital, Xiangya Hospital Central-South University, Renmin Hospital of Wuhan University, The First Affiliated Hospital of China Medical University, The First Affiliated Hospital of Fourth Military Medical University, The First People's Hospital of Kunming, and Southwest Hospital of Third Military Medical University.