1. Laboratory Working Group (WG-LA)
2. Clinical Working Groups
- 2i. WG2a: Cutaneous porphyrias (WG-CP)
- 2ii. WG2b: Acute porphyrias (WG-AHP)
3. Porphyria Expert Clinical Centers Working Group (WG-PECC)
4. Webpage Working Group (WG-WP)
5. International Porphyria Support Group (WG-IPS)
6. Safety of Drugs for Porphyria Patients Working Group (WG-DRUGS)
7. Gene Variant Classification Working Group (WG-GVC)