Dr. Po-Cheng Shih is a rheumatologist at Changhua Christian Hospital, Taiwan. His clinical and research interests focus on systemic autoimmune rheumatic diseases, with particular emphasis on interstitial lung disease associated with rheumatic disorders, including SARD-ILD and rheumatoid arthritis–associated ILD. He is actively involved in real-world evidence research using large-scale healthcare databases, with interests in comparative effectiveness, outcomes research, and pharmacoepidemiology in rheumatology.