Funding for this research was provided by:
Taipei Medical University (TMU103-AE1-B15)
Ministry of Science and Technology, Taiwan (MOST-106-2511-S-038 -007)
University System of Taipei Joint Research Program (USTP-NTPU-TMU-106-01)
Received: 1 March 2018
Accepted: 17 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Taipei Medical University (N201609020).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.