Education and income show heterogeneous relationships to lifespan brain and cognitive differences across European and US cohorts by Walhovd, KB, Fjell, AM, Wang, Y, Amlien, IK, Mowinckel, AM, Lindenberger, U, Düzel, S, Bartrés- Faz, D, Ebmeier, KP, Drevon, CA, Baaré, WFC, Ghisletta, P, Baruël Johansen, L, Kievit, RA, Henson, RN, Skak Madsen, K, Nyberg, L, Harris, J, Solé-Padullés, C, Pudas, S, Sørensen, Ø, Westerhausen, R, Zsoldos, E, Nawijn, L, Hovde Lyngstad, T, Suri, S, Penninx, B, Røgeberg, OJ, Brandmaier, AM