a study is planned to investigate risk factors for sudden cardiac death. A cohort of men & women between the ages of 35 & 70 are enrolled and followed for up to 20 years. As a part of the study, participants provide data ondemographic & behavioralcharacteristics, they also undergo testing for cardiac function and provide blood samples to access lipid profiles and otherbiomarkers. A new measure of inflammation ishypothesizedto be related to sudden cardiac death. What study design is most appropriate to assess the association between the newbiomarkerand sudden cardiac death? describeit'sstrengths and weaknesses.