Received: 12 September 2019
Accepted: 9 March 2020
First Online: 4 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the First Affiliated Hospital of Fujian Medical University (Fujian, China). Committee’s reference number: 059. Informed consent was obtained from the patients or their authorized legal representative if patients cannot sign the form themselves.
: Not applicable
: The authors declare that they have no competing interests in this section.