1. Pharmaceutical Companies 2. Chemists in Diagnostic Centers – Quality Control Laboratories
Janssen Biologics BV (Johnson and Johnson), Leiden
Pharmaten
HEPL-EPE
3. Epirus Bottling Industry (VIKOS S.A.)
4. Secondary Education
5. Ministry of Health – National Public Health Organization (EODY)
6. Researchers in Universities
7. Researchers – University of Ioannina