user-computer interface qualitative research QUALITY ASSURANCE National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't adult female male aged middle aged evidence-based medicine educational status elizabeth murray internet* patient education as topic / methods* united kingdom terminology as topic health care / methods* chronic disease / therapy* patient satisfaction telemedicine / methods* irwin nazareth focus groups pmid:16954123 pmc1550703 doi:10.2196/jmir.8.3.e13 cicely kerr professional-patient relations