Received: 27 July 2019
Accepted: 14 November 2019
First Online: 28 December 2019
Ethics approval and consent to participate
: Institutional Review Board (IRB) clearance was obtained and the study adhered to the tenets of the Declaration of Helsinki. All the study procedures were compliant as per the Health Insurance Portability and Accountability Act (HIPAA) act of 1996. Institutional Review Board (IRB) clearance was obtained for this retrospective study.
: Not applicable
: The authors declare that they have no competing interests.