Source/Organization	Website Domains	Search Terms	Dates Searched	Selection Criteria
World Health Organization (WHO)	who.int	“skill mix”, “task shifting”, “health workforce”	February 2025–March 2025	Foundational frameworks and global guidelines defining skill-mix concepts and task-shifting principles.
National Health Service (NHS England)	england.nhs.uk	“Additional Roles Reimbursement Scheme”, “skill mix”	October 2025–November 2025	Official guidance documents, reimbursement policies (e.g., ARRS), and systemic blueprints for integrating new roles in primary care.
National Health Service Scotland (NHS Scotland)	nhs.scot	“Childsmile”	October 2025–November 2025	Institutional reports and evaluations of national prevention programs utilizing extended professional scopes (e.g., dental nurses).
National Health Fund (Narodowy Fundusz Zdrowia—NFZ)	nfz.gov.pl	“opieka koordynowana w POZ” [coordinated primary healthcare]	October 2025–November 2025	Official programmatic guidelines and structural frameworks detailing the implementation of coordinated care models in Polish primary healthcare.
Polish Legislative Bodies and Official Legal Databases, including the Polish Ministry of Health (Ministerstwo Zdrowia)	sejm.gov.pl, isap.sejm.gov.pl, dziennikustaw.gov.pl	“ustawa o zawodach pielęgniarki i położnej” [act on the professions of nurse and midwife], “rehabilitacja lecznicza” [medical rehabilitation], “minimalne wynagrodzenie” [minimum salary]	October 2025–November 2025	Binding national laws and ministerial regulations that explicitly authorize new scopes of practice (e.g., prescribing rights and rehabilitation tasks) and establish statutory remuneration tiers for the healthcare workforce.
Supreme Audit Office of Poland (Najwyższa Izba Kontroli—NIK)	nik.gov.pl	“organizacja pracy” [work organization], “ambulatoryjna opieka specjalistyczna” [outpatient specialist care]	October 2025–November 2025	Formal state audit reports providing empirical assessments of healthcare organizations, task allocation, and workforce inefficiencies.
Organisation for Economic Co-operation and Development (OECD)	oecd.org	“health spending”	October 2025–November 2025	International economic comparative health data and reports on healthcare system performance.
Ministry of Health, Labour and Welfare (Japan)	mhlw.go.jp	“working conditions of doctors”, “overtime”	October 2025–November 2025	National surveys on healthcare working conditions and workforce policies.