Funding for this research was provided by:
Youth foundation of Shaanxi University of Chinese Medicine (2017QN10)
Text and Data Mining valid from 2019-09-05
Received: 6 April 2019
Accepted: 28 August 2019
First Online: 5 September 2019
Ethics approval and consent to participate
: The study was approved and consented by the Ethics Committee of The Affiliated Hospital of Shaanxi University of Chinese Medicine.
: Not applicable.
: The authors declare that they have no competing interests.