“…Thus, individual patients of the groups were Caucasians and were examined using the same protocol, under similar laboratory conditions, while avoiding the influence of age, dietary intake, body weight, large meal or visceral distension factors, which are known to affect sympathetic activity or its control. 14,15,17,19,[30][31][32][33][34] We also quantified the mean frequency of s-MSNA units and that of MSNA multiunits. The former was considered as an index of the mean frequency of efferent sympathetic nerve …”