Erratum: Ethnicity and baseline symptomatology in patients with an at Risk Mental State for psychosis (Psychological Medicine (2011) DOI: 10.1017/S0033291711001486)
Journal article published in 2012 by
E. Velthorst 
,
D. Nieman ,
W. Veling,
R. Klaasen,
S. Dragt,
J. Rietdijk,
H. Ising,
L. Wunderink,
D. Linszen,
L. De Haan,
M. Van Der Gaag
,
D. Nieman ,
W. Veling,
R. Klaasen,
S. Dragt,
J. Rietdijk,
H. Ising,
L. Wunderink,
D. Linszen,
L. De Haan,
M. Van Der Gaag
