1. Department of Immunology; School of Medicine; University of Thessaly; Larissa Greece
2. CeMIA S.A.; Larissa Greece
3. Department of Allergology; Navy Hospital; Athens Greece
4. Reference Unit for Angioedema in Andalusia; Allergy Department; Virgen del Rocío University Hospital; Seville Spain
5. Department of Dermatology; Johannes Gutenberg University; Mainz Germany
6. University Medicine; Ernst Moritz Arndt University; Greifswald Germany
7. Institute of Laboratory Medicine and Human Genetics; Singen Germany
8. Center for Public Health Genomics; University of Virginia; Charlottesville VA USA
9. Department of Medical Psychology and Medical Sociology; Johannes Gutenberg University; Mainz Germany