Wang, Xuemei
Shu, Wei
Du, Jian
Du, Maolin
Wang, Peiyu
Xue, Mingming
Zheng, Huiqiu
Jiang, Yufeng
Yin, Shaohua
Liang, Danyan
Wang, Ruiqi
Hou, Lina
Funding for this research was provided by:
Commission of Health and Family Planning of Inner Mongolia Autonomous Region fund project (201302050)
Inner Mongolia Science and Technology Major Plan Program
Article History
Received: 28 June 2018
Accepted: 25 January 2019
First Online: 13 February 2019
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.
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