- Correspondence to Professor Jie Fan, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15240, USA; ; Professor Xiangming Fang, Department of Anesthesiology and Intensive Care, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China;
- Received May 22, 2019
- Revised December 11, 2019
- Accepted December 18, 2019
- First published January 14, 2020.
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