Received: 4 March 2019
Accepted: 17 July 2019
First Online: 27 July 2019
Ethics approval and consent to participate
: The study was approved by the Taipei Medical University-Joint Institutional Review Board (TMU-JIRB) no. 201802006. All the participants signed a written informed consent authorized by Mei Jau (MJ) Health Institute.
: The data provided by Mei Jau (MJ) Health Institute to the researchers did not include any personal information, and all participants were adults. Not applicable.
: The authors declare that they have no competing interests.