Internet National Center for Biotechnology Information NCBI NLM MEDLINE therapy humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't adult female male Depressive Disorder aged middle aged Randomized Controlled Trial computer-assisted / methods* electronic mail thomas berger franz caspar cognitive behavioral therapy / methods* self care / methods* pmid:22060248 doi:10.1080/16506073.2011.616531 katja hämmerli cognitive behavioral therapy / statistics & numerical data major / therapy* directive counseling / methods* directive counseling / statistics & numerical data dysthymic disorder / therapy* interpersonal relations patient compliance / statistics & numerical data patient satisfaction / statistics & numerical data psychiatric status rating scales / statistics & numerical data quality of life / psychology self care / psychology waiting lists