Demographic variable	All (n=18)
Male: Number (%)	7 (39%)
Female: Number (%)	11 (61%)
Age, years	20.39 ± 1.11
Height, meters	1.75 ± 0.09
Weight, kilograms	75.61 ± 15.38
Body mass index, kilograms/meters2	24.5 ± 0.40
Time since surgery, months	7.33 ± 2.05