^○Park Hong Jun, Kim Hyun-Soo, Kim Hee Man, Lee Kyong Joo, Hyun Jung Nam (Dept.of Internal Medicine, Yonsei University Wonju College of Medicine, Korea)

^○Choi Yu Hee, Ryu Dae Gon, Kang Dae Hwan, Choi Cheol Woong, Kim Su Jin, Park Su Bum, Kim Hyung Wook (Dept. of Internal Medicine, Pusan National University Yangsan Hospital, South Korea)

^○Shin Yong Woon, Bang Byoung Wook, Kwon Kye Sook, Kim Hyung Kil (Dept. of Internal Medicine, Incheon, South Korea)

^○Kim Wan Chul, Park Jung Min, Kang Dae Hwan, Choi Cheol Woong, Kim Su Jin, Park Su Bum Park, Kim Hyung Wook (Dept. of Internal Medicine, Pusan National University Yangsan Hospital, South Korea)

^○Jung Yunho, Eun Jun Young, Kim Jae Yun, Han Su-Jung, Cho Young Sin, Chung Il-Kwun, Lee Tae Hoon, Park Sang-Heum, Kim Sun-Joo (Dept. of Internal Medicine, Soonchunhyang University Hospital, Cheonan, South Korea)