**Risk Factors and Hypothesis for Posttraumatic Stress Disorder (PTSD) in Post Disaster Survivors**

Frank Huang-Chih Chou1 and Chao-Yueh Su2

*1Department of Community Psychiatry, Kai-Suan Psychiatric Hospital, Kaohsiung, 2Department of Nursing, I-Shou University, Kaohsiung City, Taiwan* 
