Case in Northwest China: Baishui County People’s Hospital, Weinan City, Shaanxi

Case in Northwest China: Xi'an Shengyuan Heyuan Elderly Care Center, Xi'an City, Shaanxi

Case in Northwest China: Shaanxi Forestry Industry Hospital, Shaanxi

Case in Northwest China: Lanzhou No.2 People's Hospital, Lanzhou City, Gansu

Case in Northwest China: Guazhou County People’s Hospital, Jiuquan City, Gansu

Case in Northwest China: Hoboksar County People’s Hospital, Tacheng, Xinjiang

Case in Northwest China: Zizhou County Second People’s Hospital, Yulin City, Shaanxi

Case in Northwest China: Chengcheng County Hospital, Weinan City, Shaanxi

Case in Northwest China: Delingha Traditional Chinese Medicine Hospital, Haixi Prefecture, Qinghai

Case in Northwest China: Datong County Traditional Chinese Medicine Hospital, Xining City, Qinghai

Case in Northwest China: Haixi Prefecture Maternal and Child Health Hospital, Qinghai

Case in Northwest China: Jinyikang Medical & Elderly Care Center (Lanzhou No. 2 Welfare Institute), Lanzhou City, Gansu

Case in Northwest China: Weinan No. 2 Hospital, Weinan City, Shaanxi

Case in Northwest China: Xi'an No. 3 Hospital, Xi'an City, Shaanxi

Case in Northwest China: Lanzhou Military Region General Hospital, Lanzhou City, Gansu