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Article History

Received: 22 May 2019

Accepted: 11 June 2019

First Online: 17 June 2019

Availability of data materials

: All data generated or analyzed during this study are included in this published article.

: All animal use was performed under the guidelines/approval of the University of California at Davis Animal Use and Care Program and Committee (Relevant Protocol = 18834). Samples of human materials used here were anonymously-coded aliquots that were to be otherwise discarded; i.e. obtained from existing specimens collected under appropriate written informed consent agreements approved by the University of California at Davis’s Internal Review Board. As a result our component of the study using these coded aliquots was determined by the UCD IRB to be exempt from formal review under the 46.1019(b)-5 standard (“research involving the collection or study of existing data, documents, records, pathological specimens, or diagnostic specimens, if these sources are publicly available or if the information is recorded by the investigator in such a manner that subjects cannot be identified, directly or through identifiers linked to the subjects”). None of the data provided here relate to health outcomes, nor do they contain identifiers or other information than could be employed to identify the individuals providing the samples.

: Not applicable. As noted above none of the data provided here contain identifiers or other information than can be employed to identify the individuals providing the samples.

: The authors declare that they have no competing interests.