What did Leitner et al. (2016) find in their study examining links between the perception of racial bias and health outcomes among Blacks compared with Whites?
a) Racial disparities were related to the race/ethnicity of the healthcare provider
b) Racial disparities were related to the level of implicit racial bias demonstrated by the healthcare provider
c) Racial disparities related to the risk of circulatory disease were greater in communities where Whites demonstrated more explicit racial bias
d) Racial disparities related to the risk of circulatory disease were lower in communities where Whites demonstrated more implicit racial bias