“…Twenty-two interventions (71%) targeted patients (20–24,26,27,29,30,32,35–37,39,40,42,44–47,50,51), five (16%) targeted the health care system (31,34,41,43,48,49), and four (13%) (25,28,33,38) were multifaceted, addressing both patients and the health care system. The length of the interventions ranged from 1 to 60 months (median 6 months), and the number of participants varied between 23 and 16,140, with a median of 170 participants.…”