A propensity score approach and a partitioned approach for the self-controlled case series design to evaluate safety of a 2-dose vaccine series: application to myocarditis/pericarditis following mRNA COVID-19 vaccination. - Xu S; Sy LS; Han B; Hong V; Bruxvoort KJ; Lewin B; Holmquist KJ; Qian L (American journal of epidemiology, 2025)