Yunnan Emergency Center, Kunming 650106, Yunnan, China;
Yunnan Emergency Center, Kunming 650106, Yunnan, China;
Yunnan Emergency Center, Kunming 650106, Yunnan, China;
Yunnan Emergency Center, Kunming 650106, Yunnan, China;
Yunnan Emergency Center, Kunming 650106, Yunnan, China;