Opinion leaders identified top barriers to nurses' increased influence and leadership as not being perceived as important decision makers or revenue generators compared with doctors, having a focus on acute rather than preventive care, and not having a single voice on national issues". Briefly identify two to three factors within the nursing profession that possibly drive opinion leaders to these conclusions.
A) Lack of education and training
B) Gender bias in healthcare
C) Emphasis on specialized care
D) Organizational structure and hierarchy