Two controlled trials to increase participant retention in a randomized controlled trial of mobile phone-based smoking cessation support in the United Kingdom

por Severi, Ettore, Free, Caroline, Knight, Rosemary, Robertson, Steven, Edwards, Philip, Hoile, Elizabeth
Publicado 2011

Using marketing theory to inform strategies for recruitment: a recruitment optimisation model and the txt2stop experience

por Galli, Leandro, Knight, Rosemary, Robertson, Steven, Hoile, Elizabeth, Oladapo, Olubukola, Francis, David, Free, Caroline
Publicado 2014