1. Division of Molecular Biology, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
2. National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, People's Republic of China
3. College of Life Sciences, University of Chinese Academy of Sciences, 100049 Beijing, People's Republic of China
4. Department of Cell Physiology and Metabolism, Faculty of Medicine, University of Geneva, Geneva, Switzerland