1. Center of Animal Biotechnology and Gene Therapy, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain.
2. Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain.
3. CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona 08017, Spain.
4. Department of Gene Therapy, Ulm University, Ulm 89081, Germany.
5. Department of Animal Health and Anatomy, School of Veterinary Medicine. Universitat Autònoma de Barcelona, Bellaterra 08193, Spain.