- Correspondence to Professor Mao Chen, Department of Cardiology, Sichuan University West China Hospital, Chengdu 610041, China; ; Professor Wei-Min Li; ; Professor Bernard D Prendergast; ; Professor He Huang;
- Received March 30, 2020
- Revised April 3, 2020
- Accepted April 6, 2020
- First published April 30, 2020.
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