Article History
Received: 15 August 2019
Accepted: 11 December 2019
First Online: 21 December 2019
Change Date: 30 April 2020
Change Type: Correction
Change Details: Following publication of the original article [1], we have been notified that there was a spelling mistake in the author affiliations. In this Correction, correct and incorrect versions are shown.
Ethics approval and consent to participate
: The study was approved by the research ethics committee of the Forth Medical Center of the General Hospital of People’s Liberation Army of China (2019KY014-HS001). The need for informed consent was waived by the committee.
: Not applicable
: The authors declare that they have no competing interests.