Aryl hydrocarbon receptor interacting protein maintains germinal center B cells through suppression of BCL6 degradation by Sun, D, Stopka-Farooqui, U, Barry, S, Aksoy, E, Parsonage, G, Vossenkämper, A, Capasso, M, Wan, X, Norris, S, Marshall, JL, Clear, A, Gribben, J, Macdonald, TT, Buckley, CD, Korbonits, M, Haworth, O