| Rare medical illnesses | Correctly identified |
|---|---|
| Acute occupational phosphine intoxications | × |
| Brain-derived neurotrophic factor (BDNF) | × |
| Lofgren’s syndrome | × |
| Neurodegenerative diseases | × |
| Neurotrophins such as nerve growth factor (NGF) | × |
| Oxidative stress | × |