```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>  0-9 years old@08:51:46</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>3</hlevel>
            <item_name>  0-9 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\0-9 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 0-9 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  10-17 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\10-17 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 10-17 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  18-34 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\18-34 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 18-34 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  35-44 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\35-44 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 35-44 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  45-54 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\45-54 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 45-54 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  55-64 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\55-64 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 55-64 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>  65-74 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\65-74 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ 65-74 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>3</hlevel>
            <item_name>&gt;= 65 years old</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Age\&gt;= 65 years old\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographics \ Age \ &gt;= 65 years old</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find patients between the ages of 0 and 9 years old, 10 and 17 years old, 18 and 34 years old, 35 and 44 years old, 45 and 54 years old, 55 and 64 years old, and 65 years old and above.