[1] Int Collaborat Donor Project, Murcia, Spain
[2] Univ Murcia, Dept Surg Pediat Obstet & Gynecol, Murcia, Spain
[3] Hosp Clin Univ Virgen de la Arrixaca, IMIB, Transplant Unit, Surg Serv, Murcia, Spain
[4] San Antonio Catholic Univ, Dept Psychol, UCAM, Murcia, Spain
[5] Hosp Reg Alta Especialidad Bajio, Guanajuato, Mexico
[6] IMSS, Reg Gen Hosp 58, Delegation Guanajuato, Mexico
[7] Univ Quetzalcoatl Irapuato, Escuela Med, Guanajuato, Mexico
[8] Hosp Clin Univ Virgen de la Arrixaca, Endocrinol & Nutr Serv, Murcia, Spain