- Linkage to the CCM2 locus and genetic heterogeneity in familial cerebral cavernous malformation. Dupré, N., Verlaan, D.J., Hand, C.K., Laurent, S.B., Turecki, G., Davenport, W.J., Acciarri, N., Dichgans, J., Ohkuma, A., Siegel, A.M., Rouleau, G.A. The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques. (2003)