1. Department of Laboratory Medicine, Inje University Ilsan Paik Hospital, Goyang, Korea
2. Department of Laboratory Medicine, Chungnam National University Hospital, Daejeon, Korea
3. Department of Laboratory Medicine, Dongguk University Ilsan Hospital, Goyang, Korea
4. Seegene Medical Foundation, Seoul, Korea
5. Department of Gwangju & Honam Reference Laboratory, Seegene Medical Foundation, Gwangju, Korea
6. Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea