Leave NO vulnerable people behind in SDGs era- from the viewpoints of health insurance and medical treatment, Necessity of health care system to secure emergency treatment for non-Japanese residents without public health insurance., Factors hindering hospitals from accepting foreign patients: our issues and plans, Welfare state, National health insurance system, Immigrants: Political-Administrative analysis on uninsuredness, Securing and enhancing access to health care for undocumented/irregular - Sawada, Takashi; Shimada, Yuhei; Yamamoto, Hideki; Iwamoto, Azusa; Komatsu, Aiko; Hinohara, Chihaya; Yasykawa, Kosuke (Kokusai Hoken Iryo (Journal of International Health), 2024)