Funding for this research was provided by:
National Institutes of Health (T32GM075770, 5R01HL126711)
National Human Genome Research Institute (U54HG008540, U54HG008540, U54HG008540)
Foundation for Anesthesia Education and Research (Mentor Research Training Grant)
Received: 13 March 2018
Accepted: 4 January 2019
First Online: 14 January 2019
Ethics approval and consent to participate
: The Institutional Review Board at the University of Pittsburgh approved this retrospective study (PRO15060130) and waived the informed consent requirement.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.