public static BloodPressureMonitorViewModel GetBloodPressureMonitorViewModel()
		{
			if (managerInstance != null)
				return managerInstance;
			else
			{
				managerInstance = new BloodPressureMonitorViewModel();
				return managerInstance;
			}
		}
 public static BloodPressureMonitorViewModel GetBloodPressureMonitorViewModel()
 {
     if (managerInstance != null)
     {
         return(managerInstance);
     }
     else
     {
         managerInstance = new BloodPressureMonitorViewModel();
         return(managerInstance);
     }
 }