Funding for this research was provided by:
Taiwan Association of Family Medicine (NT$500,000)
Received: 23 March 2019
Accepted: 8 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was approved from the Research Ethics Committee of National Taiwan University Hospital (No. 201711086RIND). This article does not contain any studies with human or animal subjects performed by any of the authors. The study was performed in accordance with the principles of the Declaration of Helsinki.
: All authors declare their consent to publish.
: All authors declare that they have no conflicts of interest, including conflicts with regard to employment, patents, personal financial interests, stock holdings, or contracts.