1. Professor, Dept. of Civil Engineering, Univ. of Bristol, Bristol BS8 1TR, U.K. (corresponding author).
2. Lecturer, Dept. of Civil Engineering, Univ. of Bristol, Bristol BS8 1TR, U.K.
3. Regional Coordinator, Disaster Risk Management, Latin America and the Caribbean, World Bank, 1818 H St., NW, Washington, DC 20433.
4. International Affairs Officer, World Bank, Av. Marnix 17, 2nd Floor, 1000 Brussels, Belgium.