“…The studies were conducted in inpatient 37 , 38 , 39 , 40 , 41 , 42 , 43 and outpatient rehabilitation settings 44 , 45 in Italy, 37 , 38 , 41 the USA, 39 , 42 , 43 , 44 , 45 and the Republic of Korea. 40 Seven articles were cohort studies without concurrent controls 37 , 38 , 39 , 40 , 41 , 42 , 43 and two articles were case reports. 44 , 45 A summary of funding sources of included studies is presented in Table S1 (online supporting information).…”