Yang, Shaofang
Ge, Miao
Li, Xiaoping
Pan, Chiqin
Article History
Received: 12 May 2018
Revised: 23 November 2019
Accepted: 20 January 2020
First Online: 26 April 2020
Compliance with ethical standards
:
: None of the authors have any financial or other potential conflicts of interest for this study.
: This study was approved by Medical Ethics Committee of Second Affiliated Hospital of Xi’an Jiaotong University medical school, and all subjects gave informed written consent (No. 2010-LS-009).
: The work described was original research that has not been published previously.
: We would like to submit our manuscript for publication on International Journal of Health Geographics.