1. Department of Pharmacy, Yunnan Hospital of Traditional Chinese Medicine, Kunming, Yunnan 650021, P.R. China
2. Department of Pediatrics, Kunming Hospital of Traditional Chinese Medicine, Kunming, Yunnan 650011, P.R. China
3. Department of Pediatrics, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan 650500, P.R. China