1. Department of Traditional Chinese Medicine, The First Medical Centre, Chinese PLA (People’s Liberation Army) General Hospital, Military Postgraduate Medical College, Beijing, People’s Republic of China
2. Department of Urology, Hainan Hospital of Chinese PLA (People’s Liberation Army) General Hospital, Sanya, People’s Republic of China
3. Department of Nursing and Preschool Education, Shougang Technician College, Beijing, People’s Republic of China