1. The Sixth Affiliated Hospital of Kunming Medical University (The People’s Hospital of Yuxi City), Yunnan, China
2. School of General Practitioners, Kunming Medical University, Yunnan, China
3. The First School of Clinical Medicine, Kunming Medical University, Yunnan, China
4. School of Public Health, Kunming Medical University, Yunnan, China
5. Graduate School, Chulalongkorn University, Bangkok, Thailand