Xu, Q.
Liu, X.
Jiang, J.
He, Y.
Zhu, Q.
Gao, F.
Du, F.
He, W.
Cheng, J.
Kong, M.
Pu, Z.
Zhou, Q.
Gooley, R.
Article History
Received: 15 August 2018
Revised: 28 October 2018
Accepted: 9 December 2018
First Online: 29 January 2019
Compliance with ethical guidelines
:
: Q. Xu, X. Liu, J. Jiang, Y. He, Q. Zhu, F. Gao, F. Du, W. He, J. Cheng, M. Kong, Z. Pu, Q. Zhou, R. Gooley, and J. Wang declare that they have no competing interests.
: The study protocol was approved by the local ethics committee and registered with ClinicalTrials.gov (NCT02536703). Informed consent was obtained from all individual participants included in the study.