Patient population with multiple myeloma and transitions across different lines of therapy in the USA: an epidemiologic model. - Cid Ruzafa, Javier; Merinopoulou, Evie; Baggaley, Rebecca F.; Leighton, Pamela; Werther, Winifred; Felici, Diana; Cox, Andrew (Pharmacoepidemiology & Drug Safety, 2016)