Investigation of respiratory and cardiovascular events using intelligent wearable device in early period after gastrointestinal surgery

• Yu-mei MA, 
• Huang NIE, 
• Li-na MA, 
• Jing-jing LIN, 
• Qing-chuan ZHAO, 
• Xiang-ying FENG, 
• Zhuo-min DENG, 
• Hai-long DONG