1. Henry Greenberg ( ) is an associate professor of clinical medicine at the College of Physicians and Surgeons, Columbia University, and in the Division of Cardiology, St. Luke's Roosevelt Hospital, both in New York City. Susan Raymond is managing director of Changing Our World Inc. in New York City. Stephen Leeder is a professor of public health and community medicine and director of the Australian Health Policy Institute, College of Health Sciences, University of Sydney, New South Wales,...