Additional Metadata

additionalMetadata
        |___text ' '
        |___element 'metadata'
        |     |___text ' '
        |     |___element 'unitList'
        |     |     |___text ' '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'microgram/liter'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.000001'
        |     |     |     |  \___attribute 'name' = 'microgram/liter'
        |     |     |     |  \___attribute 'parentSI' = 'kilogramsPerCubicMeter'
        |     |     |     |  \___attribute 'unitType' = 'concentration'
        |     |     |     |___text ' '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'microgram/liter'
        |     |     |     |___text '\n '
        |     |     |___text '\n '
        |     |___text '\n '
        |___text '\n '