“…Appropriate OOH services are important for a wellfunctioning h24/7/365 primary health care system, and any efforts to redesign a country's primary health care organizations in order to improve their quality of care must necessarily discuss how OOH care is organized too [3,4]. OOH services are organized differently in different countries [3][4][5][6][7][8], but are frequently based on family doctors operating in small-or large-scale organizations. In their review of the literature, Van Uden et al [9] found at least seven common models for providing primary care to patients out of hours, while a more recent analysis by Linda Huibers et al [10] identified nine organizational models currently in use in various parts of Europe.…”