“…36,41 The remainder studied a variety of conditions including congenital adrenal hyperplasia, 21 HIV, 24 epilepsy, 25 juvenile idiopathic arthritis, 38 spina bifida, 42 cystic fibrosis, 37 or inflammatory bowel disease 43 or included a patient population comprising .1 chronic disease. 20,35,44 Twelve studies were conducted in Europe: 8 in the United Kingdom, 21,22,29,32,35,36,39,50 1 in Germany, 33 1 in Spain, 40 and 2 in 26 One study included data from the United Kingdom and Australia. 24 Few studies used a concurrent comparison group.…”