Analysing recurrent hospitalizations in heart failure: a review of statistical methodology, with application to CHARM-Preserved. - Rogers, Jennifer K.; Pocock, Stuart J.; McMurray, John J.V.; Granger, Christopher B.; Michelson, Eric L.; Östergren, Jan; Pfeffer, Marc A.; Solomon, Scott D.; Swedberg, Karl; Yusuf, Salim (European Journal of Heart Failure, 2014)