a1 Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong, People's Republic of China
a2 Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
a3 Hong Kong Mood Disorders Center, The Chinese University of Hong Kong, Hong Kong, People's Republic of China
(Received May 31 2011)
(Revised July 20 2011)
(Accepted July 22 2011)
Correspondence:
c1 Address for correspondence: Professor Sing Lee, Director, Hong Kong Mood Disorders Center, 7A, Block E, Staff Quarters, Prince of Wales Hospital, Shatin, N.T., Hong Kong. (E-mail: singlee@cuhk.edu.hk)