Karin WindahlPhD, Registered dietitian, Division of Renal Medicine Karolinska Institute and Division of Clinical Nutrition and Dietetics, Danderyds hospital
Harriët Jager-WittenaarProfessor, Registered dietitian, Hanze University of Applied Sciences Groningen, Research Group Healthy Ageing, Allied Health Care and Nursing, Groningen, The Netherlands; Radboud University Medical Center, Department of Gastroenterology, Dietetics, Nijmegen, The Netherlands; Vrije Universiteit Brussel, Faculty of Physical Education and Physiotherapy, Department Physiotherapy and Human Anatomy, Research Unit Experimental Anatomy, Brussels, Belgium