“…Norway OR Sweden OR Finland OR Denmark OR Iceland OR Norwegian OR Danish, Finnish OR Icelandic OR Nordic OR Scandinavian More than 100,000 3 Self-help groups OR support groups OR mutual support OR mutual aid OR self-help techniques OR peer groups OR self-care OR self-help OR group process OR social support Alternative medicine OR alternative treatment OR alternative therapy OR complementary medicine OR complementary treatment OR complementary therapy OR empowerment OR coping OR health promotion OR attitude to health OR treatment outcome OR decision making OR problem solving OR self efficacy OR self assessment OR social identification OR patient participation OR consumer participation OR interpersonal relations94,100,105]. Most data were collected with different types of interviews (narrative interviews, individual or group interviews, focus-groups)[16,17,23,25,29,[31][32][33][35][36][37]40,41,[43][44][45]47,50,[54][55][56][57][60][61][62][66][67][68][69][70][83][84][85]88,90,94,100,105].…”