Wu, Kun-Han
Chien, Ching-Fang
Wu, Meng-Ni
Hsu, Chung-Yao
Lai, Chiou-Lian
Liou, Li-Min http://orcid.org/0000-0002-1179-7428
Article History
Received: 15 January 2019
Accepted: 28 May 2019
First Online: 6 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors confirm that the approval of an institutional review board was not required for this work. We confirm that we have read the journal’s position on issues involved in ethical publication and affirm that this work is consistent with those guidelines.