Acknowledgement
This research was funded by the National Research Council of Thailand (NRCT; N42A640330), Chulalongkorn University (CU-GRS-64), and Chulalongkorn University (CU-GRS-62-02-30-01) and supported by the Center of Excellence in Gastrointestinal Oncology, Chulalongkorn University annual grant. It was also funded by the University Technology Center (UTC) at Chulalongkorn University.
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