- MB Music Breathing Programme, C-SOC-13 The 13-item Chinese version of the Sense of Coherence Scale, CSES Coping Self-Efficacy Scale, DERS The Difficulties in Emotion Regulation Scale, C-MAAS The Chinese version of the 15-item Mindful Attention Awareness Scale, C-DASS-21 the Chinese version of the 21-item Depression Anxiety Stress Scales, BBC-SWB The 24-item BBC Subjective Well-being Scale, sCort, Salivary cortisol level