“…Most studies (n = 18) were published after 2010, with only 4 studies published before 2010. Adolescents with Type 1 Diabetes (n = 7) [ 33 , 35 – 37 , 42 , 43 , 49 ] and HIV (n = 4) [ 30 , 31 , 38 , 41 ] constituted half of the total number of studies. Other conditions were Asthma [ 33 , 49 ] Cerebral Palsy [ 34 , 46 ], Cystic Fibrosis [ 35 , 40 , 51 ] and Chronic Pain [ 45 , 50 ] with two studies each: with single studies on Congenital Heart Disease [ 32 ], Sickle cell disease [ 33 ], Cancer [ 35 ], Adolescent Idiopathic Scoliosis [ 39 ], Juvenile Idiopathic Arthritis [ 44 ], Strabismus [ 47 ] and Short Stature [ 48 ], and Chronic Disease (unspecified by authors) [ 49 ].…”