“…48 In the majority of the studies, researchers implemented programs in hospital settings, with outcomes based on parents' selfreports. Some researchers delivered the intervention at the group level, 35 -40, 48, 55 couple level, 43,49,52 or individual level. 10,42,45,46 Studies also differed in whether researchers used a manualized curriculum, who delivered the sessions (eg, nurse versus social worker), when the sessions were delivered (eg, before birth versus after birth), and mode of intervention delivery (eg, in-person versus mobile application) (for details see Table 2).…”