Hsu, Chun-Shuo
Hsu, Chia-Wen
Lu, Ming-Chi
Koo, Malcolm
Article History
Received: 22 October 2019
Accepted: 28 February 2020
First Online: 11 March 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of the Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi, Taiwan (No. B10104020), and was carried out in accordance with the ethical principles of the Declaration of Helsinki. The NHIRD files contain de-identified secondary data, the need for informed consent from individual subjects was waived. The National Health Insurance Research Database (NHIRD) was initially available for research purposes after a successful application from the National Health Insurance Administration, Ministry of Health and Welfare. After 2016, it is currently regulated by the Data Science Centre of the Ministry of Health and Welfare, Taiwan.
: Not applicable.
: The authors declare that they have no competing interests.