Jenneke E Wiersma , Digna JF van Schaik , Patricia van Oppen , James P McCullough Jr , Robert A Schoevers , Jack J Dekker , Marc BJ Blom , Kristel Maas , Johannes H Smit , Brenda WJH Penninx and Aartjan TF Beekman
BMC Psychiatry 2008, 8:18doi:10.1186/1471-244X-8-18