- Correspondence to Professor Matthew A Brown, Guy’s & St Thomas’ NHS Foundation Trust and King’s College London NIHR Biomedical Research Centre, Guy’s Hospital, London, UK; ; Professor Huji Xu, Beijing Tsinghua Changgeng Hospital School of Clinical Medicine Tsinghua University, Beijing 100084, China;
- Received May 22, 2019
- Revised October 9, 2019
- Accepted October 10, 2019
- First published October 29, 2019.
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