1. Clinical Laboratory , Hospital Universitario de San Juan, Carretera Alicante-Valencia, s/n , Alicante , Spain
2. Department of Biochemistry and Molecular Pathology , Universidad Miguel Hernandez , Elche , Spain
3. Department of Clinical Medicine , Universidad Miguel Hernandez , Elche , Spain
4. Department of Endocrinology and Nutrition , Hospital Universitario de San Juan , San Juan de Alicante , Spain
5. Department of Radiology , University of Missouri , Columbia, MO , USA