400
Participants
Start Date
February 29, 2012
Primary Completion Date
July 31, 2013
Study Completion Date
July 31, 2013
Hospital Landline Phone Calls
Follow-up phone calls are made from the hospital landline phones in a research office
Private Cell Phone Calls
Follow-up phone calls are made from the private cell phones of research assistants
Hospital of the University of Pennsylvania, Philadelphia
University of Pennsylvania
OTHER