Genetic basis of lacunar stroke: a pooled analysis of individual patient data and genome-wide association studies by Traylor, M, Persyn, E, Tomppo, L, Klasson, S, Abedi, V, Bakker, MK, Torres, N, Li, L, Bell, S, Rutten-Jacobs, L, Tozer, DJ, Griessenauer, CJ, Zhang, Y, Pedersen, A, Sharma, P, Jimenez-Conde, J, Rundek, T, Grewal, RP, Lindgren, A, Meschia, JF, Salomaa, V, Havulinna, A, Kourkoulis, C, Crawford, K, Marini, S, Mitchell, BD, Kittner, SJ, Rosand, J, Dichgans, M, Jern, C, Strbian, D, Fernandez-Cadenas, I, Zand, R, Ruigrok, Y, Rost, N, Lemmens, R, Rothwell, PM, Anderson, CD, Wardlaw, J, Lewis, CM, Markus, HS, Helsinki Stroke, Study Dutch Parelsnoer Institute-Cerebrovascular Accident (CVA) Study Group, National Institute of Neurological Disorders and Stroke (NINDS) Stroke Genetics Network, UK DNA Lacunar Stroke Study Investigators, International Stroke Genetics Consortium