1. Department of Health Policy and Administration, School of Public Health; University of North Carolina; 1104F McGavran-Greenberg Hall 27599-7411 Chapel Hill NC USA
2. WHO Iraq Local Area Development; Queen Margaret University College; Edinburgh Scotland
3. Prevention Research Center, The Pennsylvania State University; State College PA USA
4. Department of Health Management and Policy, School of Public Health; University of Michigan; Ann Arbor MI USA