Affiliation: | 1. Department of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;2. Research Center, Mahidol University, Bangkok, Thailand;3. Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Nonthaburi, Thailand;4. Medical and Health Office, Electricity Generating Authority of Thailand, Bangkruay, Nonthaburi, Thailand |