Additional Table 2.
Sub-categories of emerging hot topics
| No. | Emerging hot topics | Sub-categories | Characteristics |
|---|---|---|---|
| 1 | Zika Virus/physiology | Cluster 0 | Peripheral and undeveloped |
| 2 | Neural Crest/cytology | Cluster 1 | Central and developed |
| 3 | Stroke/therapy | Cluster 3 | Peripheral and undeveloped |
| 4 | Parkinson Disease/therapy | Cluster 3 | Peripheral and undeveloped |
| 5 | Neuroprotective Agents/pharmacology | Cluster 3 | Peripheral and undeveloped |
| 6 | MicroRNAs/genetics | Cluster 4 | Central and undeveloped |
| 7 | Glioblastoma/ genetics | Cluster 4 | Central and undeveloped |
| 8 | Brain Neoplasms/ genetics | Cluster 4 | Central and undeveloped |
| 9 | Epigenesis/ genetics | Cluster 4 | Central and undeveloped |
| 10 | Receptors, Notch/metabolism | Cluster 4 | Central and undeveloped |
| 11 | Embryonic Stem Cells/ metabolism | Cluster 4 | Central and undeveloped |