Which of the following regarding the Imazio et al. study is false?
a. Patients were followed for at least 1.5 years after study enrolment
b. The primary endpoint was incessant or recurrent pericarditis
c. The treatment arm of the study received colchicine in addition to the conventional treatment for pericarditis while the control arm of the study received only the placebo
d. None of the answer options are correct