1. Department of Internal Medicine, Miyazaki Prefectural Miyazaki Hospital, Takamatsu, Miyazaki, Japan;
2. Trauma and Critical Care Center, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan;
3. Research Unit for Human Disease Models, RIKEN Research Center for Allergy and Immunology, Yokohama, Japan;
4. Division of Gastroenterology and Hematology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan;
5. Department of Blood Transfusion Medicine, Nara Medical University, Kashihara, Nara, Japan