[IEEE 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD) - Strasbourg, France (2016.10.29-2016.11.6)] 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD) - FDG-PET and the assessment of spinal cord metabolism in amyotrophic lateral sclerosis (ALS)