<!-- Example of a BLOOD PRESSURE Reading -->
<BloodPressure>
	<ID>1</ID>
	<userID>2</userID>
	<timestamp>2013-06-21T02:19:14.596Z</timestamp>
	<value>
		<systolic>122</systolic>
		<diastolic>77</diastolic>
	</value>
	<unit>mmHg</unit>
</BloodPressure>