“…The type of psychological intervention was predominantly cognitive behavioral therapy (CBT) [ 18 , 19 , 20 , 21 , 23 , 24 , 25 , 26 , 27 , 28 , 29 ], and the total duration of therapy ranged from 10 min to 1 h per day [ 19 , 22 , 25 ] and per week [ 21 , 23 , 24 , 26 , 29 ]. Of them, in two studies, the psychological intervention type was mindfulness-based intervention (MBI) [ 21 , 28 ]; Malboeuf-Hurtubise et al [ 21 ] compared MBI with a psycho-educational approach with a session duration of 1 h per week. Three studies did not clearly specify the number of sessions performed and session duration [ 18 , 20 , 27 ].…”