Funding for this research was provided by:
Faculty of Medicine Ramathibodi Hospital Mahidol University
Text and Data Mining valid from 2018-05-04
Received: 4 January 2018
Accepted: 26 April 2018
First Online: 4 May 2018
Ethics approval and consent to participate
: This study was approved by Sharp Mary Birch Hospital for Women & Newborns Human Research Protection Office, IRB No. 1712804. Waiver of individual patient informed consent was granted.
: The authors declare that they have no competing interests.
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