1. Department of PsychiatrySouthern Medical University Nanfang Hospital Guangzhou Guangdong China
2. Unit of Psychiatry, Faculty of Health SciencesUniversity of Macau Macau SAR China
3. Institute of NeuroscienceNewcastle University Newcastle upon Tyne UK
4. Department of RadiotherapySouthern Medical University Nanfang Hospital Guangzhou Guangdong China
5. Department of RadiotherapyCancer Centre, Guangdong General Hospital Guangzhou Guangdong China
6. Department of OncologySouthern Medical University Nanfang Hospital Guangzhou Guangdong China
7. School of MedicineUniversity of St Andrews North Haugh, St Andrews Fife UK