Dr. Chieh-Ching Yen is a clinician in the Department of Emergency Medicine at New Taipei Municipal TuCheng Hospital. He graduated from National Yang Ming University College of Medicine and is currently pursuing PhD training in emergency and critical care medicine at National Yang Ming Chiao Tung University. His research interests focus on sepsis, prognostic model development, and the application of advanced analytical methods to improve risk stratification and clinical decision-making in emergency and critically ill patients.