Adult polyglucosan body disease body disease do not have identified mutations in the "GBE1" gene. In these individuals, the cause of the disease is unknown. Along with evaluation of the symptoms and a neurological examination, a diagnosis can be made based on genetic testing. Whether or not a person is making sufficient amounts of functional glycogen branching enzyme can be determined by taking a skin biopsy and testing for activity of the enzyme. Examination of tissue biopsied from the sural nerve under a microscope can reveal the presence of polyglucosan bodies. There will also be white matter changes visible in a magnetic resonance imaging
Max Ritter von Müller 36 victims. He was also an ace over aces, having downed five aces himself. Müller's body and some personal effects were returned to his home town on 11 January 1918. His belongings are in the keeping of the mayor; his diary has been translated into modern German for the benefit of researchers. After the war, Müller was awarded the Knight's Cross of the Military Order of Max Joseph which conferred a knighthood on him, backdated to 11 November 1917. Thus in death, he became Max, Ritter von Müller. Max Ritter von Müller Max Ritter von Müller (1 January 1887 –