Text and Data Mining valid from 2019-09-10
Received: 21 June 2019
Accepted: 5 September 2019
First Online: 10 September 2019
Ethics approval and consent to participate
: The present study was conducted in accordance with the recommendations of the Ethics Committee of the Medical Faculty of the Army Medical University. Statement of human rights was approved by the Ethics Committee of the Daping Hospital, Army Medical University (Reference No. 20160909).
: The authors declare that they have no conflicts of interest.