title: Reaction to the letter to the editor of Huang et al.
authors: Department of General Practice and Elderly Care Medicine, EMGO Institute, VU University Medical Center, Amsterdam, The Netherlands.
authors: N
authors: N
authors: Claassen-van Dessel
authors: Department of General Practice and Elderly Care Medicine, EMGO Institute, VU University Medical Center, Amsterdam, The Netherlands.
authors: J C
authors: JC
authors: van der Wouden