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Ethics Approval and consent to participate: This case series was approved by the University of Iowa Institutional Review Board (201802777). A waiver of consent was granted by the University of Iowa Institutional Review Board for this retrospective case series. Availability of data and material: The data sets used and/or analyzed during the current study are available from the corresponding author on reasonable request. J.F. contributed to the design of the study, data acquisition, analysis and interpretation of the data, and wrote the article. A.P. contributed to the design of the study, analyzed the data, analysis and interpretation of the data, and wrote the article. P. MG. contributed to the design of the study, interpretation of the data, and critically revised the article for important intellectual content. K.P. contributed to the design of the study, interpretation of the data, and critically revised the article for important intellectual content. C.G. contributed to the design of the study, analysis and interpretation of the data, wrote and edited the article, and critically revised the manuscript for important intellectual content. Y.M.L. conceptualized and designed the study, acquired the data, participated in data analysis and interpretation, and wrote and critically revised the article for important intellectual content. All authors agreed to be accountable for all aspects of the work and approved the article submission.