Planck 2015 results XXIV. Cosmology from Sunyaev-Zeldovich cluster counts

Acknowledgements. The Planck Collaboration acknowledges the support of:\n\t\t\t\t ESA; CNES, and CNRS/INSU-IN2P3-INP (France); ASI, CNR, and INAF\n\t\t\t\t (Italy); NASA and DoE (USA); STFC and UKSA (UK); CSIC, MINECO, JA\n\t\t\t\t and RES (Spain); Tekes, AoF, and CSC (Finland); DLR and MPG (Germany);\n\t\t\t\t CSA (Canada); DTU Space (Denmark); SER/SSO (Switzerland); RCN (Norway); SFI (Ireland); FCT/MCTES (Portugal); ERC and PRACE (EU). A description of the Planck Collaboration and a list of its members, indicating which\n\t\t\t\t technical or scientific activities they have been involved in, can be found at\n\t\t\t\t http://www.cosmos.esa.int/web/planck/planck-collaboration.