Message-ID: <CA+wU8YCxc2SWXceqUGzyHx9ZS7uQKcbJnA-naxz+aM5TZrpfCQ@mail.gmail.com>
Date: 2013-02-24T04:23:30Z
From: Tasnuva Tabassum
Subject: Selecting First Incidence from Longitudinal Data
In-Reply-To: <CAKRWT88L42c3_CE3yNTD=xbBUWZg7B3tCurZuCGy1qX1KG9PXQ@mail.gmail.com>
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