“…12 articles include descriptions of basic conceptual work for cloud projects, but included no creation of a real system [ 16 , 30 , 35 , 46 , 53 , 54 , 63 , 77 , 88 - 92 ]. If applications are described they are usually in a prototype status [ 1 , 7 , 10 - 13 , 15 , 17 - 22 , 28 , 29 , 31 , 33 , 34 , 39 - 45 , 47 , 48 , 55 , 58 , 59 , 61 - 70 , 72 - 75 , 93 - 101 ]. Successful implementations of cloud systems in healthcare were only described in 13 of the 104 articles [ 9 , 25 , 27 , 32 , 36 - 38 , 51 , 57 , 60 , 71 , 78 , 102 ].…”