1. Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
2. College of Nursing and Allied Health Sciences, St. Paul University Manila, Manila, Philippines
3. Department of Gynaecology and Obstetrics, The Affiliated Women's and Chidren's Hostipal, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
4. Department of Pediatric Respiratory Medicine, Chengdu Women's and Chidren's Central Hostipal, Chengdu, China
5. Department of Cardiology, People's Hospital of Deyang City, Deyang, China
6. Department of rehabilitation, People's Hospital of Jianyang, Jianyang, China