SETTING: Department of Huizhou tung wah hospital.
Huizhou tung wah hospital has 18 departments, including endocrinology, surgery, pediatrics, obstetrics and gynecology, dermatology, orthopedics, otolaryngology, ophthalmology, gastroenterology, anorectum, andrology, medical imaging, traditional Chinese medicine, oncology, urology, stomatology, anesthesiology, emergency department, laboratory, preventive health care and plastic surgery.