[1] Department of Psychiatry,
[2] Latvian Academy of Medicine,undefined
[3] Tvaika str. 2,undefined
[4] Riga,undefined
[5] LV 1005,undefined
[6] Latvia. erancans@latnet.lv,undefined
[7] Central Statistical Bureau of Latvia,undefined
[8] Riga,undefined
[9] Latvia,undefined
[10] Division of Psychiatry,undefined
[11] Department of Clinical Sciences,undefined
[12] Umeå University,undefined
[13] Umeå,undefined
[14] Sweden,undefined