Wang, I-Kuan
Tsai, Tsung-Hsun
Hung, Yi-Chih
Wang, Tzu-Yuan
Yen, Tzung-Hai
Lin, Cheng-Li
Sung, Fung-Chang
Article History
Received: 26 August 2018
Accepted: 3 January 2019
First Online: 28 January 2019
Compliance with ethical standards
:
: The authors declare 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.
: For this type of study, formal consent is not required.