Evaluation of global simulations of aerosol particle and cloud condensation nuclei number, with implications for cloud droplet formation by Fanourgakis, GS, Kanakidou, M, Nenes, A, Bauer, SE, Bergman, T, Carslaw, KS, Grini, A, Hamilton, DS, Johnson, JS, Karydis, VA, Kirkevag, A, Kodros, JK, Lohmann, U, Luo, G, Makkonen, R, Matsui, H, Neubauer, D, Pierce, JR, Schmale, J, Stier, P, Tsigaridis, K, van Noije, T, Wang, H, Watson-Parris, D, Westervelt, DM, Yang, Y, Yoshioka, M, Daskalakis, N, Decesari, S, Beer, M, Kalivitis, N, Liu, X, Mahowald, NM, Myriokefalitakis, S, Schrödner, R, Sfakianaki, M, Tsimpidi, AP, Wu, M, Yu, F