Trial Innovation Network Webinar on Understanding and Improving Participant Retention in Long-Term Outcome Studies | February 20, 2019 

Click the link below for presentation slides.

Understanding and Improving Cohort Retention in Long-Term Outcome Studies

June 24, 2015

Optimizing Cohort Retention

INOVA, Fairfax, Virginia

Dale Needham, FCPA, MD, PhD


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Creative Commons License This work, created by Dale M. Needham, MD, PhD and the Johns Hopkins University Outcomes After Critical Illness & Surgery (OACIS) Group, was funded by NHLBI R24HL111895, and is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.