Ai, Chin-En
Li, Ching-Jen
Tsou, Ming-Chien
Chen, Jun-Lin
Hsi, Hsing-Cheng
Chien, Ling-Chu http://orcid.org/0000-0001-5539-8974
Article History
Received: 3 May 2018
Accepted: 18 February 2019
First Online: 10 May 2019
Compliance with ethical standards
: This study was conducted in accordance with guidelines of the Taipei Medical University-Joint Institutional Review Board (approval no. 201110001). All participants provided written informed consent at enrollment.