Feng, Zuliang http://orcid.org/0000-0001-5196-9469
Feng, Michael P.
Feng, David P.
Rice, Mark J.
Solórzano, Carmen C.
Article History
Received: 8 December 2017
Accepted: 28 January 2018
First Online: 31 January 2018
Compliance with ethical standards
:
: Zuliang Feng, Michael P Feng, David P Feng, Mark J. Rice and Carmen C. Solórzano declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000 (5). Informed consent was obtained from all patients for being included in the study.
: No funding or financial support was received for the study.