Author contributions
Xuan My Nguyen Thi: performed the analysis, collected the data, wrote
the paper. Kha Minh Le: conceived and designed the analysis, data
interpretation, edited the paper. Quan Phung: contributed to analysis
tool. Duc Quang Truong: contributed to analysis tool. Hoang Van Nguyen:
contributed to analysis tool, edit the paper. Quynh Nhu Nguyen: data
interpretation, wrote, reviewed and format the paper. Man Van Tran:
contributed to analysis tool. Phung My Loan Le: conceived and designed
the analysis, reviewed the paper.