Match the epidemiology terms. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. Frequency and pattern b. Chronic diseases, communicable diseases, injuries c. Factors that lead to the cause d. Groups of people 1. Determinants a 2. Distribution a 3. Health-related events a 4. Populations