Wang, Chien-Hsing
Hsieh, Wan-Hua
Liang, Fu-Wen
Lu, Tsung-Hsueh
Article History
Received: 14 December 2017
Accepted: 5 April 2018
First Online: 23 April 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Boards of Chi-Mei Medical Center (10406–003) and TzuChi Hospital (104–67-B).
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.