The authors wish to amend their affiliation details so that the nation name is presented as ‘Taiwan’. The amendments have also been made in the online version of the paper.

Cheng-Chia Huanga,*, Che-Cheng Changb, Chiao-Ming Changb and Ming-Han Tsaib

aDepartment of Water Resources Engineering and Conservation, Feng Chia University, Taichung City, Taiwan

bDepartment of Information Engineering and Computer Science, Feng Chia University, Taichung City, Taiwan

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