Ericson, J, Eriksson, M, Hellstrom-Westas, L, Hagberg, L, Hoddinott, P and Flacking, Renee ORCID: 0000-0002-4013-1553 (2013) The effectiveness of proactive telephone support provided to breastfeeding mothers of preterm infants: study protocol for a randomized controlled trial. BMC Pediatrics, 13 (73).