adult article 2 female 2 human 2 human experiment 2 male 2 HIV 1 Human immunodeficiency virus infected patient 1 Mediation effect 1 Mobile health 1 Positive coping 1 Quality of life 1 Randomized controlled trial 1 cognitive behavioral stress management 1 controlled study 1 cooperation 1 cooperation behavior 1 cooperation belief 1 coping behavior 1 decision making 1 gains and losses 1 growth curve 1 major clinical study 1 mental health 1 neuroscience 1 outcome assessment 1 physical activity 1 quality of life 1 randomized controlled trial 1 secondary analysis 1