1. Centre for Surgical Science, Karolinska Institute at Karolinska University Hospital, Huddinge, Stockholm, Sweden
2. Neurotec Department, Section for Clinical Geriatrics, Karolinska Institute at Karolinska University Hospital, Huddinge, Sweden
3. Department of Biology, Adams State College, Alamosa, Colorado, USA
4. Department of Forensic Psychiatry, Neurotec, Karolinska Institute, Stockholm, Sweden