Xing, Guolan
Gillespie, Robert
Bedri, Badreldin
Quan, Albert
Zhang, Pingchuan
Zhou, Xin J.
Article History
Received: 8 January 2018
Revised: 20 March 2018
Accepted: 21 March 2018
First Online: 3 April 2018
Compliance with ethical standards
: The study was approved by the Institutional Review Board of Baylor University Medical Center at Dallas and performed in accordance with the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.