1. Department of Parasitology; School of Medicine; Pusan National University; Yangsan-si Korea
2. Immunoregulatory therapeutics group in Brain Busan 21 project; Pusan Korea
3. Department of Nursing; College of Nursing; Pusan National University; Yangsan-si Korea
4. Department of Internal Medicine; School of Medicine; Pusan National University; Yangsan-si Korea