1. Division of Pulmonary and Critical Care Medicine, Department of Medicine Massachusetts General Hospital Boston Massachusetts USA
2. American Porphyria Foundation Bethesda Maryland USA
3. Global Porphyria Advocacy Coalition Durham City UK
4. Swiss Society for Porphyria Zürich Switzerland
5. Institute of Laboratory Medicine, Department of Medical Institutes Stadtspital Zürich, Triemli Zürich Switzerland
6. Cerner Enviza (formerly Kantar Health) New York New York USA
7. Cerner Enviza (formerly Kantar Health) Kansas City Missouri USA
8. Cerner Enviza (formerly Kantar Health) Paris France
9. Alnylam Pharmaceuticals Cambridge Massachusetts USA
10. Alnylam Pharmaceuticals Maidenhead UK
11. Banner Health Gilbert Arizona USA