Knowledge of UCSF and departmental policies for dealing with reimbursement, guidelines for research, confidentiality and HIPPA regulations, following the UCSF mission statement and purpose for research, and a clear understanding of policies and procedures on patient safety and confidentiality (electronic and hard copy medical records, patient charts, communication, etc.); knowledge of medical terminology, research policies and guidelines, guidelines for packing/shipping infectious substances, database building/analysis, and data management within some of the following: Access, Stata, SASS/ SPSS, and Teleform programming platforms. The CRC will also be trained to assist study participants and their designated study partners ("co-participants") with accessing and completing online questionnaires and self-administered cognitive assessments from home, providing procedural and technical guidance as needed in accordance with study protocols.