Funding for this research was provided by:
Chang Gung Memorial Hospital, Linkou (CMRPG3F1492, CMRPG3B1323, CMRPG3F1501, and CIRPD1D0031)
Ministry of Health and Welfare (MOHW107-TDU-B-212-123005)
Received: 30 July 2018
Accepted: 28 January 2019
First Online: 4 February 2019
Ethics approval and consent to participate
: Chang Gung Memorial Hospital Ethics Committee approved the retrospective observational study (IRB number: 201701886B0). The IRB determined that written informed consent was not applicable according to case research or cases treated or diagnosed by clinical routines.
: Not applicable.
: The authors declare that they have no competing interests.
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