<qa>  What was the first follow-up examination?HANDLS recruited a fixed cohort as an area probability sample of Baltimore City from August 2004 through November 2009 as Wave 1. HANDLS Wave 2 entitled The Association of Personality and Socioeconomic status with Health Status - An Interim Follow-up Study began in June 2006 under a separate protocol. It was designed as a follow-up telephone interview approximately 18 months after the initial examination Wave 1 was complete. Wave 2 provided interim contact with study participants, and important interim information regarding their health. Now completed, waves 3 and 4 were the first and second follow-up examinations and participants second and third visit to our mobile Medical Research Vehicles MRVs. The current protocol outlines Wave 5, the third follow-up examination and participants fourth visit to our mobile Medical Research Vehicles MRVs. Planned as a follow-up after 3-4 years, Wave 5 consists of health examinations, questionnaires, a telephone dietary-recall interview, sensory assessments visual, olfactory, health literacy assessment, skin color analysis, renal function assessments, environmental assessments and structural MRIs. 