JAMA Internal Medicine | January 12, 2015 | Volume: 175 | Issue: 3 | Pages: 356
JAMA | June 10, 2014 | Volume: 311 | Issue: 22 | Pages: 2331
JAMA Internal Medicine | May 5, 2014 | Volume: 174 | Issue: 5 | Pages: 827
JAMA Internal Medicine | December 9, 2013 | Volume: 174 | Issue: 2 | Pages: 179