1. Breastfeeding Unit - Department Valencia - DrPeset, Valencia, Spain
2. Primary Care Health Center Torre Ramona, Zaragoza, Spain
3. Pediatric Department, Hospital Obispo Polanco, Teruel, Spain
4. Department of Neonatology, Hospital 12 de Octubre, Madrid, Spain
5. Department of Neonatology, Hospital de Cruces, Bilbao, Euskadi, Spain
6. La Leche League, Andalucía, Spain