“…Skin reactions were often assessed by one evaluator, which was commonly a radiation oncologist, dermatologist, research nurse, research assistant, radiation therapist, principal investigator, or other medical professional 3,17,20,21,24,26,27,32,33,35,39,44,46,50 . A few studies incorporated an inter-rater reliability measure by having more than one evaluator assess the skin reactions 23,34,36,45,49,51 ; the remaining studies did not describe who assessed the radiated area or areas 2,16,19,25,28,30,31,38,[41][42][43]47,48 .…”