Laura Vargas (IMAGE) University of Pennsylvania School of Nursing Caption Laura X. Vargas, PhD, MSW, MPA, Vice-Provost post-doctoral fellow at the Penn Injury Science Center at Penn Nursing and lead author of the study.. Credit Laura Vargas Usage Restrictions Please contact Ed Federico License Licensed content 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.