1. Particle Technology Laboratory Department of Mechanical and Process Engineering ETH Zurich CH-8092 Zurich Switzerland
2. Department of Endocrinology, Diabetology, and Clinical Nutrition University Hospital Zurich (USZ) and University of Zurich (UZH) CH-8091 Zurich Switzerland
3. Division Sports and Exercise Medicine Department of Sport, Exercise and Health University of Basel CH-4052 Basel Switzerland