[1] Transit Learning Ctr Galveston, Galveston, TX 77550 USA
[2] Univ Turin, Dept Internal Med, Turin, Italy
[3] Univ Seville, Dept Expt Psychol, Seville, Spain
[4] Univ Santiago Compostela, Dept Med, Div Endocrine, Santiago, Spain
[5] Ctr Brain Injury Rehabil, Seville, Spain
[6] Kessler Med Rehabil, W Orange, NJ USA
[7] Presidio Osped Ausiliatrice, Turin, Italy
[8] Max Planck Inst Psychiat, D-80804 Munich, Germany
[9] Beaumont Hosp, Beaumont Private Clin, Dublin 9, Ireland
[10] Univ Texas, Med Branch, Dept Internal Med, Galveston, TX 77550 USA