1. Department of Traditional Chinese Medicine, Daqing Oilfield General Hospital, Daqing, Heilongjiang, China.
2. Department of Rheumatism, Daqing Oilfield General Hospital, Daqing, Heilongjiang, China.
3. Department of Rheumatology and Pain, Traditional Chinese Medicine Hospital of Dianjiang Chongqing, Chongqing, China.