An epidemiological study of snakebites in the Southeast Asia: Y. Sawai, K. Koba, T. Okonogi, S. Mishima, Y. Kawamura and H. Chinzei (Members of the 1st Investigation of Snakebites in the Southeast Asia, Institute of Medical Science, University of Tokyo, Japan) and A. Bakar bin Ibrahim and T. Devaraj (Institute for Medical Research, Kuala Lumpur, Malaysia and Snake and Venom Research Institute, General Hospital, Penang, Malaysia) and S. Phong-Akasara and C. Puranananda (Queen Saovabha Memorial Institute, Bangkok, Thailand) and E. S. Salafranca and J. S. Sumpaico (Bureau of Research and Laboratories, Department of Health, Republic of the Philippines) and C. S. Tseng and J. F. Taylor (NAMRU-2, Taipei, Taiwan) and C. S. Wu and T. P. Kuo (Kaohsiung Medical College Hospital, Kaohsiung, Taiwan, Republic of China)