Wang, Yi-Chang http://orcid.org/0000-0001-9346-5234
Wu, Yu-Syuan http://orcid.org/0000-0002-3793-8073
Hung, Chia-Yang http://orcid.org/0000-0003-4016-7262
Wang, Shao-An http://orcid.org/0000-0002-5473-4195
Young, Ming-Jer http://orcid.org/0000-0003-2638-6813
Hsu, Tsung-I http://orcid.org/0000-0002-7524-7740
Hung, Jan-Jong http://orcid.org/0000-0001-5772-8877
Article History
Received: 8 November 2017
Accepted: 23 August 2018
First Online: 28 September 2018
Competing interests
: The authors declare no competing interests.