Additional Metadata

additionalMetadata
        |___element 'metadata'
              |___element 'unitList'
                    |___element 'unitType'
                    |     |  \___attribute 'id' = 'massPerMassRate'
                    |     |  \___attribute 'name' = 'massPerMassRate'
                    |     |___element 'dimension'
                    |              \___attribute 'name' = 'time'
                    |              \___attribute 'power' = '-1'
                    |___element 'unit'
                          |  \___attribute 'id' = 'milligramsPerKilogramPerDay'
                          |  \___attribute 'name' = 'milligramsPerKilogramPerDay'
                          |  \___attribute 'unitType' = 'massPerMassRate'
                          |  \___attribute 'parentSI' = 'gramsPerGramPerSecond'
                          |  \___attribute 'multiplierToSI' = '0.000000000115741'
                          |  \___attribute 'abbreviation' = 'mg/kg/d'
                          |___text 'milligrams per kilogram per day'