Acknowledgments

From inception to completion, the various editions span almost 20 years. Such an endeavor can only be completed with the help of many. I want to take this opportunity to thank the following:

• The exceptional team at McGraw Hill for their superb guidance throughout this object. Thank you especially to Michael Weitz for his advice and support and to other team members.

• To the production crew at KnowledgeWorks Global Ltd.

• To the countless clinicians worldwide who continually strive to improve their knowledge and clinical skills.