private void SaveExecute(object obj)
{
if (NewPatient.BirthDate == default(DateTimeOffset))
{
NewPatient.BirthDate = DateTimeOffset.Now;
}
if (NewPatient.Photo == null)
{
NewPatient.Photo = string.Empty;
}
_patientDataService.AddNewPatient(NewPatient.ToModel());
Messenger.Default.Send(new NewPatientAddedMessage());
_dialogService.CloseNewPatientDialog();
}