Text and Data Mining valid from 2018-07-23
Received: 8 March 2018
Accepted: 27 June 2018
First Online: 23 July 2018
Ethics approval and consent to participate
: The study was approved by the Ethical Review Boards of Chang Gung Memorial Hospital and was performed in accordance with the ethical standards of the Declaration of Helsinki of 1964. Written consent to participate in the study was obtained from all the patients.
: We have obtained written consent to publish from the participants.
: The authors declare that they have no competing interests.
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