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. 2020 Nov 13;17(22):8414. doi: 10.3390/ijerph17228414

Table 4.

Studies published by each geographic region, grouped by neurodegenerative disease.

Amyotrophic Lateral Sclerosis Dementia Motor Neuron Disease Multiple Sclerosis Paediatric Multiple Sclerosis Parkinson
Asia [129] [126] [123]
Australia [100] [122]
Europe [128] [130] [99,102,106,108,109,111,114,115] [119,124]
Middle East [98,112,113]
North America [125,127] [97,101,103,104,105,107,110] [116,117] [118,120,121]