Funding for this research was provided by:
Health Systems Research Institute, Thailand (59–062)
Text and Data Mining valid from 2018-06-18
Received: 18 April 2018
Accepted: 5 June 2018
First Online: 18 June 2018
Ethics approval and consent to participate
: The randomized controlled trial was registered with ExternalRef removed (ID NCT01659983). The study was approved by all collaborating hospitals with the committee reference number of MTU-EC-SC-4-057/55. Every patient was informed and signed informed consent before participating into the trial. For this retrospective study, the protocol was approved by the ethic committees of Chonburi and Ramathibodi hospitals with protocol numbers 03/61/S/h3 and 04-55-18, respectively.
: Not applicable
: The authors declare that they have no competing interests.
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