1. “International Collaborative Donor Project”; Murcia Spain
2. Regional Transplant Center; Consejería de Sanidad y Consumo de la Región de Murcia; Murcia Spain
3. Transplant Unit; Surgery Service; University Hospital Virgen de la Arrixaca; Murcia Spain
4. Instituto Murciano de Investigación Biosanitaria (IMIB); Murcia Spain
5. Department of Surgery; University of Murcia; Murcia Spain
6. Department of Psychology; Universidad Católica San Antonio; UCAM; Murcia Spain
7. Hospital Regional de Alta Especialidad del Bajío. León; Guanajuato Mexico
8. HGSZ No. 10 del Instituto Mexicano del Seguro Social Delegación Guanajuato; Guanajuato Mexico
9. Transplant Coordination Center; UMAE Hospital de Especialidades No 25 IMSS; Monterrey Mexico
10. Surgical Medical Research Center; La Habana Cuba
11. University of Guanajuato; Guanajuato Mexico
12. The 21st Century National Medical Center of the Mexican Institute of Social Security; Mexico, DF Mexico
13. Hermanos Ameijeiras Hospital; La Habana Cuba
14. State Public Health Institute of Guanajuato; Guanajuato Mexico
15. Department of Animal Production; Faculty of Veterinary; University of Murcia; Murcia Spain