“…Health policy and systems research address any, and often multiple, 'building blocks' of health systems (e.g., governance, workforce, financing), within a systems-thinking approach toward promoting the coverage, quality, efficiency and equity of health systems [15,[18][19][20][21]. At the service-delivery level, and with increasing convergence with a broader health systems research [16,19,22], health services research refers to a multidisciplinary field of investigation on how social factors, financing, organizations, technologies, innovation, and personal behaviors affect the access to healthcare, its quality, and its cost [23,24]. Taken together, HPSSR addresses aspects within or at the interface of health policy, of health system's organization, and of healthcare delivery -for improved healthcare access, healthcare value, and population health.…”