1. ICU, People's Hospital of Aba Tibetan and Qiang Autonomous Prefecture, Maerkang, Tibetan Qiang Autonomous Prefecture of Ngawa , Sichuan , China
2. Operating Room, People's Hospital of Aba Tibetan and Qiang Autonomous Prefecture, Maerkang, Tibetan Qiang Autonomous Prefecture of Ngawa , Sichuan , China
3. Department of Respiratory and Endocrinology, People's Hospital of Aba Tibetan and Qiang Autonomous Prefecture, Maerkang, Tibetan Qiang Autonomous Prefecture of Ngawa , Sichuan , China