Hsia, Yun
Yang, Chang-Hao
Hsieh, Yi-Ting
Yang, Chung-May
Ho, Tzyy-Chang
Lai, Tso-Ting http://orcid.org/0000-0002-8247-7018
Article History
Received: 19 August 2019
Revised: 4 November 2019
Accepted: 11 November 2019
First Online: 11 December 2019
Compliance with ethical standards
: .
: (1) The authors declare that they have no conflict of interest.
: (2) 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.
: (3) No Informed consent was obtained from the participants included in the study. Informed consent was not mandatory for this retrospective study