Chen, Po-Ting http://orcid.org/0000-0002-8675-5863
Liu, Kao-Lang
Cheng, Tsu-Yao
Chang, Chin-Chen
Chang, Yeun-Chung
Article History
First Online: 17 July 2018
Compliance with ethical standards
:
: None.
: All authors declared that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.