1. Department of Physiology, Institute for Cardiovascular Research; VU University Medical Centre; Amsterdam The Netherlands
2. Sarver Heart Center; University of Arizona; Tucson AZ USA
3. School of Biomedical Sciences, Garstang Building; University of Leeds; Leeds UK
4. Muscle Research Unit, Bosch Institute; University of Sydney; Sydney Australia
5. Department of Physics and Astronomy; VU University; Amsterdam The Netherlands
6. ICIN-Netherlands Heart Institute; Utrecht The Netherlands