Corresponding Author

Wing H. Tong

Department of Public Health and Primary Care (PHEG), Leiden University Medical Center, Leiden, The Netherlands

Argos Zorggroep “DrieMaasStede”, Center for Specialized Geriatric Care, Schiedam, The Netherlands

Correspondence

Wing H. Tong, MD, PhD, MSc,

Leiden University Medical Center (LUMC), Department of Public Health and Primary Care (PHEG), Building 3, Hippocratespad 21, PO Box 9600, 2300 RC, Leiden, The Netherlands

Email: w.h.tong@lumc.nl