Additional Metadata

additionalMetadata
        |___element 'metadata'
              |___element 'unitList'
                    |___element 'unit'
                    |     |  \___attribute 'id' = 'percent'
                    |     |  \___attribute 'name' = 'percent'
                    |     |  \___attribute 'unitType' = 'dimensionless'
                    |     |  \___attribute 'parentSI' = 'dimensionless'
                    |     |  \___attribute 'multiplierToSI' = '0.01'
                    |     |  \___attribute 'abbreviation' = '%'
                    |     |___text 'percent'
                    |___element 'unit'
                          |  \___attribute 'id' = 'squareCentimeterPerGram'
                          |  \___attribute 'name' = 'squareCentimeterPerGram'
                          |  \___attribute 'unitType' = 'specificArea'
                          |  \___attribute 'parentSI' = 'squareMeterPerKilogram'
                          |  \___attribute 'multiplierToSI' = '0.1'
                          |  \___attribute 'abbreviation' = 'cm2/g'
                          |___text 'squere centimeter per gram'