Complex sentence: Comorbid factors that can lead to ischemia are especially likely to contribute to chronic wounds and include chronic fibrosis, atherosclerosis (Mustoe, 2004), edema (Moreo, 2005), sickle cell disease, and arterial insufficiency-related illnesses (Snyder, 2005).
Split into simpler sentences: Comorbid factors that can lead to ischemia are especially likely to contribute to chronic wounds. Such factors include chronic fibrosis, atherosclerosis, edema, sickle cell disease, and arterial insufficiency-related illnesses (Snyder, 2005).