| No. | ☐ (continue with 3.1.4) | |
| Yes. | ⊠ | |
| Clinically. | ⊠ | |
| Imaging. | ☐ | |
| Endoscopy. | ☐ | |
| Biochemistry. | ☐ | |
| Electrophysiology. | ☐ | |
| Other (please describe): | X-skin histology | |
| No. | ☐ (continue with 3.1.4) | |
| Yes. | ⊠ | |
| Clinically. | ⊠ | |
| Imaging. | ☐ | |
| Endoscopy. | ☐ | |
| Biochemistry. | ☐ | |
| Electrophysiology. | ☐ | |
| Other (please describe): | X-skin histology | |