Received: 8 December 2019
Accepted: 7 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: The present study was approved by the Institutional Review Board of Renmin Hospital of Wuhan University, Wuhan, Hubei, China, and written consent was obtained from all participants or their families.
: All listed authors have actively participated in the study and have read and approved the submitted manuscript.
: The authors declare that they have no competing interests.