Text and Data Mining valid from 2019-07-30
Received: 12 April 2019
Accepted: 17 July 2019
First Online: 30 July 2019
Ethics approval and consent to participate
: This study was approved by the ethical commission of The First Affiliated Hospital of Anhui University of Chinese Medicine.
: Written consents were contained from all patients.
: The authors declare that they have no competing interests.