Prediction model to identify infectious COVID-19 patients in the emergency department oleh Myat Oo Aung, Indumathi Venkatachalam, Jean X.Y. Sim, Liang En Wee, May K. Aung, Yong Yang, Edwin P. Conceicao, Shalvi Arora, Marcus A.B. Lee, Chang H. Sia, Kenneth B.K. Tan, Moi Lin Ling