1. Spanish Retina and Vitreous Society (SERV), IMO (Institut Microcirurgia Ocular), Barcelona, Spain
2. Spanish Society of Diabetes (SED), Endocrinology Department, Valme University Hospital and RAMSE Foundation, Sevilla, Spain
3. Spanish Society of Diabetes (SED), Endocrinology and Nutrition Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
4. Spanish Society of Diabetes (SED), Diabetes and Metabolism Research Unit and CIBERDEM (ISCIII), Vall d’Hebron Reseach Institute (VHIR), Barcelona, Spain
5. Spanish Retina and Vitreous Society (SERV), Department of Ophthalmology, Castilla La Mancha University, Albacete, Spain
6. University Hospital Puerta de Hierro-Majadahonda, Madrid, Spain
7. Spanish Society of Diabetes (SED), Department of Endocrinology and Nutrition, University Clinic of Navarra, Pamplona, Spain
8. Spanish Retina and Vitreous Society (SERV), Department of Ophthalmology, Nuevo Hospital Univeristario y Politécnico La Fe, Valencia, Spain