Studenski S, Perera S, Patel K, Rosano C, Faulkner K, Inzitari M, Brach J, Chandler J, Cawthon P, Connor EBarrett, et al. Gait speed and survival in older adults. JAMA. 2011  ;305(1):50-8.

de Hollander EL, Bemelmans WJe, Boshuizen HC, Friedrich N, Wallaschofski H, Guallar-Castillón P, Walter S, Zillikens CM, Rosengren A, Lissner L, et al. The association between waist circumference and risk of mortality considering body mass index in 65- to 74-year-olds: a meta-analysis of 29 cohorts involving more than 58 000 elderly persons. Int J Epidemiol. 2012  ;41(3):805-17.

van Ballegooijen AJ, Visser M, Kestenbaum B, Siscovick DS, de Boer IH, Gottdiener JS, deFilippi CR, Brouwer IA. Relation of vitamin D and parathyroid hormone to cardiac biomarkers and to left ventricular mass (from the Cardiovascular Health Study). Am J Cardiol. 2013  ;111(3):418-24.

Pennells L, Kaptoge S, Wood A, Sweeting M, Zhao X, White I, Burgess S, Willeit P, Bolton T, Moons KGM, et al. Equalization of four cardiovascular risk algorithms after systematic recalibration: individual-participant meta-analysis of 86 prospective studies. Eur Heart J. 2018  .