Analgesic Prescribing Trends of Opioids, Nonsteroidal Anti-Inflammatory Drugs, and Paracetamol in Taiwan (2001‐2020): Age-Period-Cohort Cross-Sectional Study - Chun-Ji Lin; Chia-Shuan Chang; Chih-Yi Wu; Jiun-Yi Wang; I-Ching Lin; Hung-Yi Chiou (JMIR Public Health and Surveillance, 2026)