a large, well-characterized longitudinal clinical cohort = a group comprised of many different level physicians ?
Context:
Asked by Medscape Neurology to comment on this study, Dr. Atri said, “I think this is an important study with several exceptional strengths, including utilization of
a large, well-characterized longitudinal clinical cohort with useful measure and endpoints and analysis using sophisticated methods guided by good clinical and scientific knowledge from a leader in the field who has an uncommon perspective and expertise, working at the interface of clinical care and clinical trials and utilizing quantitative methodology to address important questions with great practical implications that, thus far, have been mostly neglected, overlooked, and/or underappreciated.”
More context, click:
http://www.medscape.com/viewarticle/718013?src=smo