“…Furthermore, 67% of persons experienced pain in one area, 28% in two areas, and 5% in three areas. The other included studies predominantly reported low back pain [4][5][6]8,12,13,22,24,27,29,33,[37][38][39]41,[44][45][46][47][48][49][50][51][52]60,62]. Several studies reported data about the experienced pain frequency [6,8,27,45,47,49].…”