Zhou, Danju
Pender, Michelle http://orcid.org/0000-0002-1078-7623
Jiang, Weixi
Mao, Wenhui
Tang, Shenglan
Article History
Received: 22 May 2019
Accepted: 27 November 2019
First Online: 11 December 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Review Board (IRB) of the Duke University (Protocol number 2018–0467). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.