“…Organizational factors, such as the rate of reimbursement of psychotherapies or gatekeeping policies, were also found to influence mental health service use [11,12]. However, although there is an unequal geographical distribution of mental health professionals (the department of Paris had a density of 72.8 psychiatrists for 100,000 inhabitants in 2014, as compared with 17.5 in the poorer, immediately adjacent county of Seine Saint Denis [13]), much less is known about environmental influences on mental health services use [9,14,15].…”