If the first author is unable to present, the abstract must be withdrawn (see Substitute Presenter policy below). The first author must notify SPSP in writing stating the reason for the withdrawal. Send all withdrawal notifications to .
Abstracts withdrawn or not presented at the meeting will not be published in the proceedings. If you fail to notify SPSP of your withdrawal, or you do not show up for your scheduled presentation, future submissions may be in jeopardy.
Under certain conditions, you may make special arrangements to have another author present your poster. The first author must notify SPSP in writing stating the reason for the substitution. Send all substitution requests to .
In the case of a substitution, the first author must be registered for the poster to be presented, and the substitute presenter must also register to attend the meeting.
All abstract submission questions should be sent to .