What will improve these problems with this very important source of data for research, policy, and public health questions, analyses, and programs?

EHR systems

EHR systems provide much-needed clinical data for research, policy, and public health activities. Name several concerns about data provided from EHR systems. Are these concerns well founded? Why or why not? What will improve these problems with this very important source of data for research, policy, and public health questions, analyses, and programs?