System strengthening to support value-based care and healthy ageing for people with chronic pain - Briggs, Andrew; Slater, Helen; Hsieh, E.; Kopansky-Giles, D.; Åkesson, K.E.; Dreinhöfer, K.E.; March, L.M.; Woolf, A.D. (LIPPINCOTT WILLIAMS & WILKINS, 2019)