Marieke B. Snijder1, Rob M. van Dam, Marjolein Visser, D.J.H. Deeg, Joost Dekker, L.M. Bouter, Jacob C. Seidell, Paul Lips
1Institute of Health Sciences, Faculty of Earth and Life Sciences, Vrije University, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands. [email protected]