Superficial vein incompetence problem is also intimately related to lifestyle. A sedentary lifestyle that is usually associated with obesity is going to be much more linked to the development of these problems. There's a racial component to this wherein, especially in the area of the country that I live, in Latin Americans, are especially Mexican Americans, are very, very prone to be affected, whether it's the diet or the activities or cultural reasons is, is completely, is not poorly understood, but it's certainly a fact where this is, I would say endemic in this population. I imagine it has to do with lifestyles and weight control, exercise levels and so forth. I would say that prevention is key with compression stockings and changing these little issues of lifestyle that will actually have an effect in the future.