```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns3:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/">
    <query_name>mild dementia@12:54:24@9:42:16@14:41:53</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>0</hlevel>
            <item_name>(PrevQuery) mild dementia@12:54:24@9:42:16</item_name>
            <item_key>masterid:29814</item_key>
            <tooltip>mild dementia@12:54:24@9:42:16 [8-17-2023] [demo]</tooltip>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns3:query_definition>

```

I want to find patients with a diagnosis of mild dementia, regardless of the time or date it was recorded, using a specificity scale of 0 and a panel accuracy scale of 100, and the query should be applied to all available data without any time restrictions.