“…Other outcomes assessed in RCTs of massage in preterm infants include levels of transcutaneous bilirubin [3], sleep [4,26], calorie intake [5,17,19,30,33,34,35], vagal activity [5,19,24,26,29,30], gastric motility or number of stools [3,24,30], heart rate variability (HRV) [6,7,19,24,30], immunologic parameters [12], bone metabolism [11,32], changes in electroencephalogram (EEG) [13], behavior and/or neurodevelopment [14,15,23,26,28,29,31,34,35], pain [25], length of hospital stay [12,16,18] and levels of serum markers such as insulin-like growth factor I (IGF-1) [8,19], adiponectin [8], and serum triglycerides [9,27,31]. …”