“…Table 1 provides details related to the time period of program implementation since the inception of P4P in the early 2000s (early, evolving, and routinization), as well as the program design as described by the authors of each article. Nine articles were focused on studies based in the United Kingdom, 34,35,39,40,42,43,[45][46][47] 7 articles in the United States, 33,37,38,48,49,51,52 1 article each in Tanzania, 36 Malawi, 44 France, 50 and the Netherlands. 41 Twelve articles focused on physicians, nurses, and health care professionals, 5 articles focused on physicians, one of which also included practice executives, 2 articles focused on practice executives/leaders, and 1 article focused on nonphysician health care professionals.…”