Text and Data Mining valid from 2019-09-13
Received: 12 June 2019
Accepted: 27 August 2019
First Online: 13 September 2019
Ethics approval and consent to participate
: The electronic image archives and medical records were reviewed after approval of the IRB committee of the Yuan’s General Hospital. Because this was a retrospective study of routinely collected data, informed consent to participation was not required. All individuals included in the study had consented to the relevant procedures.
: Not applicable.
: The authors declare that they have no competing interests.