The Trustees of Columbia University in the City of New York, Center for Hazards and Risk Research (CHRR), and International Bank for Reconstruction and Development/The World Bank hold the copyright of this dataset. Users are prohibited from any commercial, resale, or redistirbution without explicit written permission from CHRR, CIESIN, and The World Bank. Users should acknowledge CHRR, CIESIN, and The World Bank as the source used in the creation of any reports, publications, new datasets, derived products, or services resulting from the use of this dataset. CHRR, CIESIN, and The World Bank request reprints of any publications and notification of any redistribution efforts.