In the original article, the funding organization and grant number were not included. These should have read as below.
Bibliographical noteFunding Information:
This project was supported by Award No. 72897 from the Robert Wood Johnson Foundation. The opinions, findings, and conclusion or recommendations expressed in this publication are those of the authors and do not necessarily reflect those of the Robert Wood Johnson Foundation.
© The Author 2017. Published by Oxford University Press. All rights reserved.