Text and Data Mining valid from 2019-12-01
Received: 21 August 2019
Accepted: 5 December 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board, Taipei Veterans General Hospital, and Institutional Review Board, Chang Gung Memorial Hospital, respectively. The study was conducted according to the principles in the Declaration of Helsinki 2013. All participants and guardians of patients with dementia provided written informed consent before participating in this study.
: All authors consent the study for publication. Written and informed consent was obtained from all the included participants.
: The authors declare that they have no competing interests.