Text and Data Mining valid from 2019-12-01
Received: 12 March 2019
Accepted: 28 November 2019
First Online: 18 December 2019
Ethics approval and consent to participate
: This study has been approved by the Institutional Review Board of Academia Sinica. (approval number: AS-IRB01–15033). A signed informed consent has been obtained from every participant prior to the data collection in all the above studies.
: Not applicable.
: The authors declare that they have no competing interests.