Small, Alexander C.
Perez, Alejandra
Radhakrishnan, Jayant
Desire, Stanley
Zachariah, Philip
Creelman, Lisa C.
Alam, Shumyle
Article History
Accepted: 23 July 2018
First Online: 1 August 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Study protocol received approval from the Columbia University institutional review board. All procedures performed involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: A waiver of informed consent was obtained due to the retrospective nature of the study.