“…Eleven studies investigated hospitalized patients ( 18 , 21 , 25 , 26 , 30 , 31 , 38 , 39 , 45 , 47 , 49 ). Eleven studies surveyed outpatients ( 14 – 16 , 20 , 27 , 32 – 35 , 37 , 40 ). Seven papers examined both inpatients and outpatients ( 9 , 17 , 22 , 24 , 44 , 48 , 50 ).…”