- Correspondence to Dr Fu-dong Lv, Department of Pathology, Beijing Youan Hospital, Capital Medical University, No.8 Xitoutiao Road, Youanmen outside, Fengtai District, Beijing 100069, China;
- Received April 4, 2020
- Revised July 5, 2020
- Accepted July 16, 2020
- First published August 26, 2020.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.