Dear Prof. Fan

Thank you for submitting your abstracts for consideration as presentation at the 18 ^th International Symposium on ALS / MND.

We are pleased to be able to tell you that your abstracts have been accepted and will be published in the Symposium supplement of the journal "ALS"; it will also be made available on the MND Association's website.

(Serial No: 0243) Title: Stratifying subgroups with different progression rate determined by electrophysiologic tests in patients with ALS

(Serial No: 0244) Title: Association of polymorphisms in vascular endothelial growth factor gene with the age of onset of ALS

(Serial No: 0247) Title: Morphological changes of the lower cervical spinal cord under neutral and fully flexed position by MRI in Chinese patients with Hirayama's disease

(Serial No: 0249) Title: Investigation of the therapeutic effects of granulocyte colony stimulating factor in patients with ALS: a pilot study

(Serial No: 0252) Title: Survival of 106 cases of patients with ALS in China