Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA. joe.chalfoun@nist.gov.|Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA. michael.majurski@nist.gov.|Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA. alden.dima@nist.gov.|Laboratory of Cellular and Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA. chrisstu@mail.nih.gov.|Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA. adele.peskin@nist.gov.|Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, USA. mary.brady@nist.gov.