public void addPatient(Patient newPatient) {	
		if (head == null) {
			head = newPatient;
			return;
		}	
		Patient aux = head;
		while (aux.getNext() != null && aux.getNext() != head) {
		aux = aux.getNext();
		}
		aux.setNext(newPatient);
		newPatient.setNext(head);
	}