1. Center for Community-Based Health Research and Education (CoHRE); Organization for the Promotion of Project Research; Izumo Japan
2. Department of Dermatology; Shimane University Hospital; Izumo Japan
3. Department of Environmental and Preventive Medicine; Shimane University; Izumo Japan
4. Department of Surgery; Ohda General Medicine Education Center; Department of General Medicine; Shimane University; Izumo Japan
5. Department of Functional Pathology; Faculty of Medicine; Shimane University; Izumo Japan