Text and Data Mining valid from 2018-04-06
Received: 18 February 2018
Accepted: 24 March 2018
First Online: 6 April 2018
Ethics approval and consent to participate
: Chang Gung Medical Foundation Institutional Review Board.IRB No. 201601489B0.No consent was needed from any patients involved in this retrospectively reviewed case series study.
: Not applicable.
: The authors declare that they have no competing interests.
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