The authors, Richard Kissel, Matthew Scholl, Steven Skolochenko and Xing Li wish to express
their thanks to colleagues who reviewed the drafts of this document and everyone who
provided comments. In particular, their appreciation goes Rick Ayers, Murugiah Souppaya,
Mark Wilson, Tanya Brewer and Elizabeth Lennon who assisted with our internal review
process. Thanks also goes to William Gill, Dr. Chun Tse, and Dr. Simson Garfinkel for their
research, technical support, and written contributions to this document.