Neuro‐immune interactions in health and disease: insights from FENS‐Hertie 2022 Winter School by Binder, LB, Rosa, PB, de Sousa, BM, Chagas, LS, Dubljević, O, Martineau, FS, Mottarlini, F, Castany, S, Morton, L, Krstanović, F, Tassinari, ID, Choconta, JL, Pereira‐Santos, AR, Weinhard, L, Pallegar, PN, Vahsen, BF, Lepiarz‐Raba, I, Compagnion, A, Lorente‐Picón, M