[1] Univ Washington, Dept Urban Design & Planning, 410 Gould Hall,Box 355740, Seattle, WA 98195 USA
[2] Texas A&M Univ, College Stn, TX 77843 USA
[3] Massey Univ, Joint Ctr Disaster Res, Palmerston North, New Zealand
[4] Kansai Univ, Fac Safety Sci, Suita, Osaka, Japan