Funding for this research was provided by:
National Cheng Kung University Hospital (NCKUH-10603054)
Text and Data Mining valid from 2018-06-29
Received: 22 January 2018
Accepted: 18 June 2018
First Online: 29 June 2018
Compliance with ethical standards
: The authors Tsung-Han Yang, Jen-Lung Chen, Yih-Jyh Lin, Ying-Jui Chao, Yan-Shen Shan, Hui-Ping Hsu, Zhe-Min Su, Chung-Ching Chou, Yi-Ting Yen have no conflicts of interest or financial ties to disclose.