Author reply: Improving the validity of studies on the relationship between social health and immunity of older adults

Affiliations

• ¹ Department of Epidemiology, Erasmus MC, Rotterdam, the Netherlands; Department of Radiology & Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands.
• ² Department of Epidemiology, Erasmus MC, Rotterdam, the Netherlands.
• ³ Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, the Netherlands; Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, the Netherlands.
• ⁴ Department of IQ Healthcare, Radboud University Medical Center, Nijmegen, the Netherlands.
• ⁵ Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, the Netherlands; Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, the Netherlands. Electronic address: [email protected].