[1] Univ Clin Psychiat & Psychotherapy, Immanuel Hosp Rudersdorf, Brandenburg Med Sch, Rudersdorf, Germany
[2] Brandenburg Med Sch, Fac Hlth Sci, Neuruppin, Germany
[3] Univ Manchester, Ctr Primary Care & Hlth Serv Res, Manchester, England
[4] Uppsala Univ, Dept Womens & Childrens Hlth, Uppsala, Sweden
[5] Univ Plymouth, Fac Hlth, Plymouth, England
[6] Uppsala Univ, Dept Arch Lib & Museums, Uppsala, Sweden
[7] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Div Gen Med, Boston, MA USA
[8] Univ Clin Psychiat & Psychotherapy, Immanuel Hosp Rudersdorf, Brandenburg Med Sch, Seebad 82-83, D-15562 Rudersdorf, Germany