“…Surveys conducted in different continents, countries, regions and also populations in the same countries (e.g. Austria, Germany, the United States, China, France, Croatia) have reported significant geographic variations in blood pressure levels [5][6][7][8][9][10][11]. As of the year 2000, 26.4% of the adult population over the age of 20 has hypertension around the world [4].…”