The Scientific Program Committee (SPC) enthusiastically invites the submission of Invited Session Proposals. Interested individuals should contact the SPC by e-mail at firstname.lastname@example.org. Each proposal should indicate the topic, the speakers and tentative titles, the affiliations of speakers, and any additional information that would help the SPC in its review. The extended deadline for Invited Session Proposals is January 15, 2018. Individuals who would like to give a contributed talk or to present a poster should use the abstract submission form. The abstract submission system opens on January 8, 2018 and abstracts should be sent on or before April 5, 2018.