1. Pharmacy Department Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón Madrid Spain
2. Department of Paediatric Gastroenterology, Hepatology and Nutrition Hospital Sant Joan de Déu Barcelona Spain
3. Fundació Sant Joan de Déu Fundació Salut Emporda Barcelona Spain
4. Paediatric Gastroenterology and Nutrition Unit Hospital Regional Universitario de Málaga, IBIMA Multidisciplinary Group for Paediatric Research Málaga Spain
5. Pharmacy Department Hospital Regional Universitario de Málaga Málaga Spain
6. Paediatric Gastroenterology Unit Hospital Universitario Vall d'Hebrón Barcelona Spain
7. Pharmacy Service Hospital Universitario Vall d'Hebrón Barcelona Spain
8. Department of Paediatric Gastroenterology Hospital Infantil Universitario Niño Jesús Madrid Spain
9. Department of Paediatric Gastroenterology University Hospital La Paz Madrid Spain
10. Paediatric Gastroenterology Unit, Department of Paediatrics A Coruña University Hospital A Coruña Spain
11. Paediatric Gastroenterology, Hepatology and Nutrition Unit, Hospital de Sabadell Corporació Sanitària Universitària Parc Taulí Barcelona Spain
12. UGC Pharmacy Department Hospital Virgen de la Macarena Sevilla Spain
13. UGC Paediatric Department Hospital Virgen de la Macarena Sevilla Spain
14. Paediatric Gastroenterology, Hepatology and Nutrition Unit Hospital Universitario Virgen del Rocío Sevilla Spain
15. Pharmacy Service Hospital Universitario Virgen del Rocío Sevilla Spain
16. Gastroenterology Unit Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón Madrid Spain
17. Paediatric Gastroenterology Unit Hospital Puerta del Mar Cadiz Spain
18. Paediatric Gastroenterology Unit Hospital Infantil Miguel Servet Zaragoza Spain
19. Paediatric Gastroenterology Unit Hospital Universitario Donostia San Sebastian Spain
20. Pharmacy Service Complejo Asistencial Universitario de Salamanca Salamanca Spain
21. Paediatric Gastroenterology Unit Hospital Reina Sofía Córdoba Spain
22. Paediatric Gastroenteology Unit Hospital Virgen de Valme Sevilla Spain
23. Paediatry Department Hospital Virgen del Camino Pamplona Spain
24. Spanish Clinical Research Network SCReN Madrid Spain