Experimental: Experimental: psychosomatic intervention based on cognitive restructuring followed by Museum Therapy

A psychosomatic intervention based on cognitive restructuring will be used as the non-pharmacological therapeutic strategy and 4 sessions will be delivered every other week with a duration of 120 minutes each in a group format with 10 participants.~The museum therapy will include 4 sessions, directed by the clinical psychologist and a museum educator, aimed at facilitating emotional expressions and participants' behavioral activation. The sessions will be delivered starting 2 weeks after the last session of the psychosomatic intervention as part of the Benessere al Museo Project by Uffizi Galleries.~A final additional session will be proposed.

Placebo_comparator: Placebo Comparator: Control condition followed by Museum Therapy

The control condition will include 4 every other week sessions based on Lifestyle and well-being National Institute for health and Care Excellence (NICE) Guidelines (https://www.nice.org.uk/guidance/lifestyleandwellbeing) and on World Health Organization 12 steps to healthy eating (http://www.euro.who.int/en/health-topics/disease-prevention/nutrition/a-healthylifestyle). These sessions will inform participants about well-being and lifestyles which can influence it.~The museum therapy will include 4 sessions, directed by the clinical psychologist and a museum educator, aimed at facilitating emotional expressions and participants' behavioral activation. The sessions will be delivered starting 2 weeks after the last control group's session as part of the Benessere al Museo Project by Uffizi Galleries.~A final additional session will be proposed.