Depression has been ranked as one of the top
chronic health problems of the world and the most
important mental health problem(1). The World Health
Organization estimated that by 2020, depression would
become the third health problem of the world and the
burdens on economic and society due to depression
will be similar to medical expenses for treatment of
cardiovascular diseases(2). In terms of gender, females
were more likely to suffer from depression than males
by a ratio of 2:1(3,4). Depressed people are introverted,
lack social support and they might face relationship
problems. For the working population, suffering from
depression without receiving treatment could affect
their work ability, sick leave, family relationships and
lifestyles(5). In the long run, they might lose their jobs
and incur extra medical expenses. If such problems are
not be solved, it would cause people to hurt themselves
and commit suicide(6).