“…Plenty of studies reported brief follow‐up times (up to 1 year) 13,17,19,27,36 or no follow‐up information 12,19,20,22,26,28,30 making difficult to evaluate the long‐term impact of disease on patients. Only in a small number of studies a follow‐up of 5 or more years (in some of the patients) is reported 23,25,31,34,37 …”