**Author details**

Renfen Chen Central Sydney Immunology Laboratory, Royal Prince Alfred Hospital, NSW Health Pathology, Camperdown, NSW, Australia

\*Address all correspondence to: ren.chen@health.nsw.gov.au

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
