Funding for this research was provided by:
National Heart, Lung, and Blood Institute (K23HL111211, T32HL098048)
Robert Wood Johnson Foundation
Text and Data Mining valid from 2019-11-04
Received: 2 April 2019
Accepted: 21 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: The study was approved by the institutional review board of Harvard Pilgrim Health Care. Because data collection was anonymous and queried non-sensitive information, the board approved this study without requiring written informed consent from participants.
: Not applicable.
: The authors declare that they have no competing interests.