1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China
2. Institute of Medical Sciences, Yunnan Blood Disease Clinical Medical Center, The First People's Hospital of Yunnan Province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan 650032, P.R. China
3. Medical Faculty, Kunming University of Science and Technology, Kunming, Yunnan 650500, P.R. China