1. Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark;
2. Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama, Japan
3. Synklino Aps, Charlottenlund, Denmark
4. Departments of Molecular and Cellular Physiology, and Structural Biology, and Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California, USA;