{
  "abstract": "Weimin Li and colleagues explore the trade-offs and challenges posed by the increasing scale and complexity of cohort studies, highlighting the central argument that “bigger is not always better”",
  "authors": [
    {
      "affiliations": [
        "Department of Pulmonary and Critical Care Medicine, General Office of Cohort Study Center, State Key Laboratory of Respiratory Health and Multimorbidity, Institute of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, China",
        "Department of Urology, Health Data Science Laboratory, Innovation Institute for Integration of Medicine and Engineering, West China Hospital, Sichuan University, Chengdu, China",
        "Program in Genetic Epidemiology and Statistical Genetics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA"
      ],
      "name": "Yifei Lin"
    },
    {
      "affiliations": [
        "Department of Pulmonary and Critical Care Medicine, General Office of Cohort Study Center, State Key Laboratory of Respiratory Health and Multimorbidity, Institute of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, China",
        "Department of Neurology, Laboratory of Neuro-system and Multimorbidity and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China"
      ],
      "name": "Lei Chen"
    },
    {
      "affiliations": [
        "Department of Urology, Health Data Science Laboratory, Innovation Institute for Integration of Medicine and Engineering, West China Hospital, Sichuan University, Chengdu, China"
      ],
      "name": "Jin Huang"
    },
    {
      "affiliations": [
        "Department of Pulmonary and Critical Care Medicine, General Office of Cohort Study Center, State Key Laboratory of Respiratory Health and Multimorbidity, Institute of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, China",
        "Department of Pulmonary and Critical Care Medicine, State Key Laboratory of Respiratory Health and Multimorbidity, Institute of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu, Sichuan, China"
      ],
      "name": "Weimin Li"
    }
  ],
  "title": "Breadth versus depth: balancing variables, sample size, and quality in Chinese cohort studies",
  "uid": "45c2fc7b-2b85-5b94-ba33-59410289cd5d"
}