1. Gastroenterology Private Practitioner, GF. Medical Center, Pisa, Italy
2. Laboratori Aliveda srl, Crespina Lorenzana, Pisa, Italy
3. General Practitioner, Montemurlo, Prato, Italy
4. General Practitioner, Prato, Italy
5. General Practitioner, Livorno, Italy
6. General Practitioner, Pisa, Italy
7. General Practitioner, Lucca, Italy
8. General Practitioner, Pistoia, Italy