Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 105-2627-M-040-002; 106-2627-M-040-002; 107-2627-M-040-002, 108-2621-M-040-00, 106-EPA-F-016-001, and 107-EPA-F-017-002)
Received: 5 December 2019
Accepted: 20 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: This study was approved by the Chung Shan Medical University Institutional Review Board (CS2-17070).
: Not applicable.
: The authors declare that they have no competing interests.