authors Srisurapanont, Manit Likhitsathian, Surinporn Chua, Hong Choon Udomratn, Pichet Chang, Sungman Maneeton, Narong Maneeton, Benchaluk Chen, Chia-Hui Shih-Yen Chan, Edwin Bautista, Dianne Bin Sulaiman, Ahmad Hatim