Since prisoners who were declared invalid were repatriated , Brivonesi successfully simulated tuberculosis .
Since prisoners who were declared invalid were repatriated , Brivonesi successfully simulated was repatriated in May 1917 , following a prisoner exchange .
Since prisoners who were declared invalid were repatriated , Brivonesi successfully simulated tuberculosis and was repatriated in May 1917 , following a prisoner exchange .