1. United Nations, Department of Economic and Social Affairs, Population Division 2019. World population prospects 2019: highlights. Available from: https://population.un.org/wpp/publications/files/wpp2019_highlights.pdf. Accessed 11, July 2022.
2. Ministry of Health, Labour and Welfare. Overview of medical service regime in Japan [Web site]. Available from: https://www.mhlw.go.jp/bunya/iryouhoken/iryouhoken01/dl/01_eng.pdf. Accessed July 11, 2022.
3. Residency hospital type and career paths in Japan: An analysis of physician registration cohorts
4. Geographic Distribution of Regional Quota Program Graduates of Japanese Medical Schools
5. Evaluating the effect of Japan’s 2004 postgraduate training programme on the spatial distribution of physicians