Wolff, Jennifer L.
Roter, Debra L.
Boyd, Cynthia M.
Roth, David L.
Echavarria, Diane M.
Aufill, Jennifer
Vick, Judith B.
Gitlin, Laura N.
Article History
Received: 6 March 2018
Revised: 16 May 2018
Accepted: 29 June 2018
First Online: 18 July 2018
Compliance with Ethical Standards
: Our protocol was approved by the institutional review board of the Johns Hopkins Bloomberg School of Public Health (IRB no. 6837).
: The authors declare that they do not have a conflict of interest.