1. Jockey Club School of Public Health and Primary Care, the Chinese University of Hong Kong, China (C.G., Y.Z., Y.B., X.Q.L.).
2. Institute of Sociology, Academia Sinica, Taipei, Taiwan (L.C.).
3. Department of Nutrition and Food Hygiene, School of Public Health, Zhengzhou University, Henan, China (Z.Y.).
4. Division of Environment and Sustainability, the Hong Kong University of Science and Technology, China (C.L., A.K.H.L.).
5. Department of Sociology, the Chinese University of Hong Kong, China (T.T.).
6. Shenzhen Research Institute of the Chinese University of Hong Kong, Guangdong, China (X.Q.L.).