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.