“…Intervention materials focused on family member stories or experiences 66 • Recruitment: Referring participants to join study 48,56,64,66 or being recruited together with other family members 29,34,40,45 • Receiving intervention together: Attending joint sessions with participants or having interdependent goals 25,26,28,29,31,34,39,40,44,45,56,57,59,60,62,63,65,68,71 • Receiving parallel intervention: Attending separate sessions with separate intervention goals 26,38,68 • Enlisting support to achieve goals: Requesting assistance in participant communication, retention, and material/behavioral support 27,47,48,51,58,61 • Voluntary intervention support: Assisting implementation by attending some sessions, providing material/behavioral/moral support, and engaging with study staff 30,43,49,[51][52][53] • Agent of family-wide change: Intervention focusing on one family member with the implication of improving health or care for a different family member,…”