P4‐345: THE LONG‐TERM CLINICAL EFFECTIVENESS OF START (STRATEGIES FOR RELATIVES) FOR FAMILY CARERS OF PEOPLE WITH DEMENTIA AND THE EFFECTS ON COST OF CARE. (1st July 2014) - Livingston, Gill; Knapp, Martin; Julie, Barber; Cooper, Claudia; Rapaport, Penny; Walker, Zuzana; Griffin, Mark; King, Derek; Mummery, Cath; Hoe, Juanita; Romeo, Renee