This publication is not intended to be used for the diagnosis or treatment of a health
problem. It is sold with the understanding that the publisher, editors, and authors are not
engaging in the rendering of medical, psychological, financial, legal, or other professional
services.
References to any entity, product, service, or source of information that may be contained in
this publication should not be considered an endorsement, either direct or implied, by the
publisher, editors, or authors. ICON Group International, Inc., the editors, and the authors
are not responsible for the content of any Web pages or publications referenced in this
publication.