Fang, Yao-Fan
Wu, Yeong-Jian Jan
Kuo, Chang-Fu
Luo, Shue-Fen
Yu, Kuang-Hui
Article History
Received: 6 September 2015
Revised: 18 April 2016
Accepted: 1 May 2016
First Online: 23 May 2016
Compliance with ethical standards
: The research project was reviewed and approved by the Institutional Review Board at this institution. Written informed consent was not obtained from each patient due to its retrospective chart review nature and has been approved by our IRB.
: None.
: The authors declare no conflict of interest. All authors have contributions to all of the following: (1) the conception and design of the study, or acquisition of data, or analysis and interpretation of data; (2) drafting the article or revising it critically for important intellectual content; and (3) final approval of the version to be submitted.