Correction ========== Tucker KL, Sheppard JP, Stevens R, *et al.* Individual patient data meta-analysis of selfmonitoring of blood pressure (BP-SMART): a protocol. *BMJ Open* 2015;5:[e008532](http://bmjopen.bmj.com/lookup/doi/10.1136/bmjopen-2015-008532). The affiliation for Professor Gianfranco Parati, a co-author on this paper, is incorrect and should be: Department of Cardiovascular, Neural and Metabolic Sciences, San Luca Hospital, Istituto Auxologico Italiano, Milan, Italy & Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.