Funding for this research was provided by:
Key Scientific and Technological Project of Meizhou People’s Hospital (MPHKSTP-20180101)
Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translation Research of Hakka Population (2018B030322003)
Science and Technology Program of Meizhou (2019B0202001)
Received: 24 June 2020
Accepted: 26 August 2020
First Online: 5 September 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Medicine, Meizhou People’s Hospital (Huangtang Hospital), Meizhou Academy of Medical Sciences, Meizhou Hospital Affiliated to Sun Yat-sen University.
: Not applicable.
: The authors declare that they have no competing interests.