Comments are moderated according to our comment policy. If your comment is moderated, it may appear shortly, it might not. They are auto-moderated (nothing personal) or removed manually for other reasons. It is not personal or always something you implicitly said. If you are moderated, read How We Moderate Comments before getting upset. If you think comments are being moderated in error or have any questions email IGMR Admin. Comments about how/why comments are moderated could be removed and considered off-topic.