NFER System (image) University of Missouri-Columbia Share Print E-Mail Caption The NFER system, which includes several routers set up throughout the unit and wearable devices for the nurses, allows researchers to track nurses' movements in real time. Credit Photo courtesy of Jung Hyup Kim. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.