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Article History

Received: 7 January 2020

Accepted: 7 April 2020

First Online: 19 April 2020

Ethics approval and consent to participate

: This research was conducted in accordance with the Declaration of Helsinki. This study satisfied conditions for an expedited institutional IRB approval, wherein consent was supplied via a waiver for retrospective studies. Institutional policy dictates that minimal-risk retrospective projects with limited exposure of protected health information is classified as not human subject research (NHSR). As such, an IRB waiver of HIPPA privacy authorization was completed that allowed for the completion of this project without individual patient consents. The ethics review board at the Johns Hopkins University School of Medicine approved the study protocol (IRB #: 00188772, IRB committee: IRB-X).

: Not applicable.

: Dr. Hazell has nothing to disclose; Mr. Mai has nothing to disclose; Mr. Fu has nothing to disclose; Dr. Hu reports grants from National Cancer Institute, and consultant for Merck & Co., outside the submitted work; Mr. Friedes has nothing to disclose; Mr. Negron has nothing to disclose; Dr. Voong reports grants from Lung Cancer Research Foundation, grants from Radiation Oncology Institute, personal fees from ASCO Advantage, research funding from Canon, outside the submitted work; Dr. Feliciano reports advisory board role for Astra Zeneca, Takeda, and Pfizer, and consultant role for Merck & Co., outside the submitted work; Ms. Han has nothing to disclose; Ms. Myers has nothing to disclose; Dr. McNutt reports research grant from Radiation Oncology Institute, research grant from Canon Medical, and founder, stockholder and Chairman of the board of Oncospace Inc., outside the submitted work. Dr. Hales has a research grant funded through Genentech.