Smeltzer, Stephanie
Acharya, Kelly
Truong, Tracy
Pieper, Carl
Muasher, Suheil
Article History
Received: 14 November 2019
Accepted: 20 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: Approval was granted by the Duke institutional review board for this retrospective cohort study (Pro00089887). No consent was necessary due to the deidentified nature of our data.
: Not applicable.
: The authors declare that there are no conflicts of interest.