[1] Clin Univ Navarra, IdiSNA, Metab Res Lab, Pamplona, Spain
[2] Clin Univ Navarra, Dept Anesthesia, Pamplona, Spain
[3] Clin Univ Navarra, Dept Surg, Pamplona, Spain
[4] Clin Univ Navarra, Dept Endocrinol & Nutr, Pamplona, Spain
[5] Inst Salud Carlos III, CIBEROBN, Madrid, Spain