Funding for this research was provided by:
National Natural Science Foundation of China (No. 81401562)
Article History
Received: 2 March 2019
Accepted: 18 April 2019
First Online: 6 May 2019
Change Date: 26 February 2020
Change Type: Clarification
Change Details: ‘Concerns have been raised about the ethics approval and informed consent procedures related to the research reported in this paper. The paper includes the following author declarations: “We collected samples from 644 unrelated Uyghur people (330 males and 314 females) residing in the Artux county, southwestern Xinjiang Uyghur Autonomous Region, with the written informed consent [...]. This study was reviewed and approved by the Ethnics Committee of Affiliated Hospital of Zunyi Medical University”. Editorial action will be taken as appropriate once an investigation of the concerns is complete and all parties have been given an opportunity to respond in full.’
Compliance with ethical standards
: This study is approved by the Ethnics Committee of Affiliated Hospital of Zunyi Medical University and in accordance with the standards of the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.