Cheng-Shiu Chung, Hongwu Wang, Matthew J. Hannan, Annmarie R. Kelleher, and  Rory A. Cooper . “Daily Task-Oriented Performance Evaluation for Commercially Available Assistive Robotic Manipulators”. International Journal of Robotics and Automation Technology, vol. 3, no. 1, Aug. 2016, pp. 16-27, doi:10.15377/2409-9694.2016.03.01.3.