Sedrak Mina S, Cohen Roger B, Merchant Raina M, Schapira Marilyn M
Abramson Cancer Center, University of Pennsylvania, Philadelphia.
Penn Medicine Social Media and Health Innovation Lab, University of Pennsylvania, Philadelphia.
JAMA Oncol. 2016 Jun 1;2(6):822-3. doi: 10.1001/jamaoncol.2015.5475.