1. American Psychiatric Association (2000) Diagnostic and statistical manual of mental disorders, DSM-IV-TR (4th edn., text revision), 4th edn, text revision. American Psychiatric Association, Washington, DC
2. Borges G, Angst J, Nock MK, Ruscio AM, Walters EE, Kessler RC (2006) A risk index for 12-month suicide attempts in the national comorbidity survey replication (NCS-R). Psychol Med 36:1747–1757
3. Census and Statistics Department (2005) Hong Kong annual digest of statistics. Government Logistics Department, Hong Kong SAR
4. Centre for Suicide Research and Prevention (2005) Research findings into suicide and its prevention. Report for Centre for Suicide Research and Prevention, University of Hong Kong. (Available at 3B, 2 University Drive, University of Hong Kong, Pokfulam, HKSAR.), Hong Kong SAR
5. Cheung CK, Bagley C (1998) Validating an American scale in Hong Kong: the Center for Epidemiological Studies Depression Scale (CES-D). J Psychol 132:169–186